diff --git a/src/legacy/core_plugins/vis_type_timeseries/common/__tests__/agg_lookup.js b/src/legacy/core_plugins/vis_type_timeseries/common/__tests__/agg_lookup.js
deleted file mode 100644
index f78f0a5660419..0000000000000
--- a/src/legacy/core_plugins/vis_type_timeseries/common/__tests__/agg_lookup.js
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Licensed to Elasticsearch B.V. under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch B.V. licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import { expect } from 'chai';
-import { createOptions, isBasicAgg } from '../agg_lookup';
-
-describe('aggLookup', () => {
-  describe('isBasicAgg(metric)', () => {
-    it('returns true for a basic metric (count)', () => {
-      expect(isBasicAgg({ type: 'count' })).to.equal(true);
-    });
-    it('returns false for a pipeline metric (derivative)', () => {
-      expect(isBasicAgg({ type: 'derivative' })).to.equal(false);
-    });
-  });
-
-  describe('createOptions(type, siblings)', () => {
-    it('returns options for all aggs', () => {
-      const options = createOptions();
-      expect(options).to.have.length(30);
-      options.forEach(option => {
-        expect(option).to.have.property('label');
-        expect(option).to.have.property('value');
-        expect(option).to.have.property('disabled');
-      });
-    });
-
-    it('returns options for basic', () => {
-      const options = createOptions('basic');
-      expect(options).to.have.length(15);
-      expect(options.every(opt => isBasicAgg({ type: opt.value }))).to.equal(true);
-    });
-
-    it('returns options for pipeline', () => {
-      const options = createOptions('pipeline');
-      expect(options).to.have.length(15);
-      expect(options.every(opt => !isBasicAgg({ type: opt.value }))).to.equal(true);
-    });
-
-    it('returns options for all if given unknown key', () => {
-      const options = createOptions('foo');
-      expect(options).to.have.length(30);
-    });
-  });
-});
diff --git a/src/legacy/core_plugins/vis_type_timeseries/common/agg_lookup.js b/src/legacy/core_plugins/vis_type_timeseries/common/agg_lookup.js
index 0f6eba4add596..4dfdc83dcfabb 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/common/agg_lookup.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/common/agg_lookup.js
@@ -127,25 +127,3 @@ const byType = {
 export function isBasicAgg(item) {
   return _.includes(Object.keys(byType.basic), item.type);
 }
-
-export function createOptions(type = '_all', siblings = []) {
-  let aggs = byType[type];
-  if (!aggs) aggs = byType._all;
-  let enablePipelines = siblings.some(isBasicAgg);
-  if (siblings.length <= 1) enablePipelines = false;
-  return _(aggs)
-    .map((label, value) => {
-      const disabled = _.includes(pipeline, value) ? !enablePipelines : false;
-      return {
-        label: disabled
-          ? i18n.translate('visTypeTimeseries.aggLookup.addPipelineAggDescription', {
-              defaultMessage: '{label} (use the "+" button to add this pipeline agg)',
-              values: { label },
-            })
-          : label,
-        value,
-        disabled,
-      };
-    })
-    .value();
-}
diff --git a/src/legacy/core_plugins/vis_type_timeseries/common/agg_lookup.test.js b/src/legacy/core_plugins/vis_type_timeseries/common/agg_lookup.test.js
new file mode 100644
index 0000000000000..a7c5d362e669c
--- /dev/null
+++ b/src/legacy/core_plugins/vis_type_timeseries/common/agg_lookup.test.js
@@ -0,0 +1,31 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { isBasicAgg } from './agg_lookup';
+
+describe('aggLookup', () => {
+  describe('isBasicAgg(metric)', () => {
+    test('returns true for a basic metric (count)', () => {
+      expect(isBasicAgg({ type: 'count' })).toEqual(true);
+    });
+    test('returns false for a pipeline metric (derivative)', () => {
+      expect(isBasicAgg({ type: 'derivative' })).toEqual(false);
+    });
+  });
+});
diff --git a/src/legacy/core_plugins/vis_type_timeseries/common/__tests__/calculate_label.js b/src/legacy/core_plugins/vis_type_timeseries/common/calculate_label.test.js
similarity index 59%
rename from src/legacy/core_plugins/vis_type_timeseries/common/__tests__/calculate_label.js
rename to src/legacy/core_plugins/vis_type_timeseries/common/calculate_label.test.js
index 955c052a3906e..a5af6d114c894 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/common/__tests__/calculate_label.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/common/calculate_label.test.js
@@ -17,51 +17,50 @@
  * under the License.
  */
 
-import { expect } from 'chai';
-import { calculateLabel } from '../calculate_label';
+import { calculateLabel } from './calculate_label';
 
 describe('calculateLabel(metric, metrics)', () => {
-  it('returns "Unknown" for empty metric', () => {
-    expect(calculateLabel()).to.equal('Unknown');
+  test('returns "Unknown" for empty metric', () => {
+    expect(calculateLabel()).toEqual('Unknown');
   });
 
-  it('returns the metric.alias if set', () => {
-    expect(calculateLabel({ alias: 'Example' })).to.equal('Example');
+  test('returns the metric.alias if set', () => {
+    expect(calculateLabel({ alias: 'Example' })).toEqual('Example');
   });
 
-  it('returns "Count" for a count metric', () => {
-    expect(calculateLabel({ type: 'count' })).to.equal('Count');
+  test('returns "Count" for a count metric', () => {
+    expect(calculateLabel({ type: 'count' })).toEqual('Count');
   });
 
-  it('returns "Calculation" for a bucket script metric', () => {
-    expect(calculateLabel({ type: 'calculation' })).to.equal('Bucket Script');
+  test('returns "Calculation" for a bucket script metric', () => {
+    expect(calculateLabel({ type: 'calculation' })).toEqual('Bucket Script');
   });
 
-  it('returns formated label for series_agg', () => {
+  test('returns formated label for series_agg', () => {
     const label = calculateLabel({ type: 'series_agg', function: 'max' });
-    expect(label).to.equal('Series Agg (max)');
+    expect(label).toEqual('Series Agg (max)');
   });
 
-  it('returns formated label for basic aggs', () => {
+  test('returns formated label for basic aggs', () => {
     const label = calculateLabel({ type: 'avg', field: 'memory' });
-    expect(label).to.equal('Average of memory');
+    expect(label).toEqual('Average of memory');
   });
 
-  it('returns formated label for pipeline aggs', () => {
+  test('returns formated label for pipeline aggs', () => {
     const metric = { id: 2, type: 'derivative', field: 1 };
     const metrics = [{ id: 1, type: 'max', field: 'network.out.bytes' }, metric];
     const label = calculateLabel(metric, metrics);
-    expect(label).to.equal('Derivative of Max of network.out.bytes');
+    expect(label).toEqual('Derivative of Max of network.out.bytes');
   });
 
-  it('returns formated label for derivative of percentile', () => {
+  test('returns formated label for derivative of percentile', () => {
     const metric = { id: 2, type: 'derivative', field: '1[50.0]' };
     const metrics = [{ id: 1, type: 'percentile', field: 'network.out.bytes' }, metric];
     const label = calculateLabel(metric, metrics);
-    expect(label).to.equal('Derivative of Percentile of network.out.bytes (50.0)');
+    expect(label).toEqual('Derivative of Percentile of network.out.bytes (50.0)');
   });
 
-  it('returns formated label for pipeline aggs (deep)', () => {
+  test('returns formated label for pipeline aggs (deep)', () => {
     const metric = { id: 3, type: 'derivative', field: 2 };
     const metrics = [
       { id: 1, type: 'max', field: 'network.out.bytes' },
@@ -69,16 +68,16 @@ describe('calculateLabel(metric, metrics)', () => {
       metric,
     ];
     const label = calculateLabel(metric, metrics);
-    expect(label).to.equal('Derivative of Moving Average of Max of network.out.bytes');
+    expect(label).toEqual('Derivative of Moving Average of Max of network.out.bytes');
   });
 
-  it('returns formated label for pipeline aggs uses alias for field metric', () => {
+  test('returns formated label for pipeline aggs uses alias for field metric', () => {
     const metric = { id: 2, type: 'derivative', field: 1 };
     const metrics = [
       { id: 1, type: 'max', field: 'network.out.bytes', alias: 'Outbound Traffic' },
       metric,
     ];
     const label = calculateLabel(metric, metrics);
-    expect(label).to.equal('Derivative of Outbound Traffic');
+    expect(label).toEqual('Derivative of Outbound Traffic');
   });
 });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/calculate_siblings.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/calculate_siblings.test.js
similarity index 88%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/calculate_siblings.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/calculate_siblings.test.js
index 40807399a35a2..4f343022c4b0f 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/calculate_siblings.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/calculate_siblings.test.js
@@ -17,11 +17,10 @@
  * under the License.
  */
 
-import { calculateSiblings } from '../calculate_siblings';
-import { expect } from 'chai';
+import { calculateSiblings } from './calculate_siblings';
 
 describe('calculateSiblings(metrics, metric)', () => {
-  it('should return all siblings', () => {
+  test('should return all siblings', () => {
     const metrics = [
       { id: 1, type: 'max', field: 'network.bytes' },
       { id: 2, type: 'derivative', field: 1 },
@@ -30,7 +29,7 @@ describe('calculateSiblings(metrics, metric)', () => {
       { id: 5, type: 'count' },
     ];
     const siblings = calculateSiblings(metrics, { id: 2 });
-    expect(siblings).to.eql([
+    expect(siblings).toEqual([
       { id: 1, type: 'max', field: 'network.bytes' },
       { id: 5, type: 'count' },
     ]);
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/collection_actions.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/collection_actions.test.js
similarity index 65%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/collection_actions.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/collection_actions.test.js
index 5f97f559aa4bd..c76943cc8d6d7 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/collection_actions.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/collection_actions.test.js
@@ -17,37 +17,35 @@
  * under the License.
  */
 
-import sinon from 'sinon';
-import { expect } from 'chai';
-import { handleChange, handleAdd, handleDelete } from '../collection_actions';
+import { handleChange, handleAdd, handleDelete } from './collection_actions';
 
 describe('collection actions', () => {
-  it('handleChange() calls props.onChange() with updated collection', () => {
-    const fn = sinon.spy();
+  test('handleChange() calls props.onChange() with updated collection', () => {
+    const fn = jest.fn();
     const props = {
       model: { test: [{ id: 1, title: 'foo' }] },
       name: 'test',
       onChange: fn,
     };
     handleChange.call(null, props, { id: 1, title: 'bar' });
-    expect(fn.calledOnce).to.equal(true);
-    expect(fn.firstCall.args[0]).to.eql({
+    expect(fn.mock.calls.length).toEqual(1);
+    expect(fn.mock.calls[0][0]).toEqual({
       test: [{ id: 1, title: 'bar' }],
     });
   });
 
-  it('handleAdd() calls props.onChange() with update collection', () => {
-    const newItemFn = sinon.stub().returns({ id: 2, title: 'example' });
-    const fn = sinon.spy();
+  test('handleAdd() calls props.onChange() with update collection', () => {
+    const newItemFn = jest.fn(() => ({ id: 2, title: 'example' }));
+    const fn = jest.fn();
     const props = {
       model: { test: [{ id: 1, title: 'foo' }] },
       name: 'test',
       onChange: fn,
     };
     handleAdd.call(null, props, newItemFn);
-    expect(fn.calledOnce).to.equal(true);
-    expect(newItemFn.calledOnce).to.equal(true);
-    expect(fn.firstCall.args[0]).to.eql({
+    expect(fn.mock.calls.length).toEqual(1);
+    expect(newItemFn.mock.calls.length).toEqual(1);
+    expect(fn.mock.calls[0][0]).toEqual({
       test: [
         { id: 1, title: 'foo' },
         { id: 2, title: 'example' },
@@ -55,16 +53,16 @@ describe('collection actions', () => {
     });
   });
 
-  it('handleDelete() calls props.onChange() with update collection', () => {
-    const fn = sinon.spy();
+  test('handleDelete() calls props.onChange() with update collection', () => {
+    const fn = jest.fn();
     const props = {
       model: { test: [{ id: 1, title: 'foo' }] },
       name: 'test',
       onChange: fn,
     };
     handleDelete.call(null, props, { id: 1 });
-    expect(fn.calledOnce).to.equal(true);
-    expect(fn.firstCall.args[0]).to.eql({
+    expect(fn.mock.calls.length).toEqual(1);
+    expect(fn.mock.calls[0][0]).toEqual({
       test: [],
     });
   });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/convert_series_to_vars.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/convert_series_to_vars.test.js
similarity index 95%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/convert_series_to_vars.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/convert_series_to_vars.test.js
index 40e3b302c1cf6..689b62962256a 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/convert_series_to_vars.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/convert_series_to_vars.test.js
@@ -18,5 +18,5 @@
  */
 
 describe('convertSeriesToVars(series, model)', () => {
-  it('returns and object', () => {});
+  test('returns and object', () => {});
 });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_number_handler.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_number_handler.test.js
similarity index 70%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_number_handler.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_number_handler.test.js
index fdbef9eac2d02..e24fe1f1d88d3 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_number_handler.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_number_handler.test.js
@@ -17,9 +17,7 @@
  * under the License.
  */
 
-import sinon from 'sinon';
-import { expect } from 'chai';
-import { createNumberHandler } from '../create_number_handler';
+import { createNumberHandler } from './create_number_handler';
 
 describe('createNumberHandler()', () => {
   let handleChange;
@@ -27,17 +25,17 @@ describe('createNumberHandler()', () => {
   let event;
 
   beforeEach(() => {
-    handleChange = sinon.spy();
+    handleChange = jest.fn();
     changeHandler = createNumberHandler(handleChange);
-    event = { preventDefault: sinon.spy(), target: { value: '1' } };
+    event = { preventDefault: jest.fn(), target: { value: '1' } };
     const fn = changeHandler('test');
     fn(event);
   });
 
-  it('calls handleChange() function with partial', () => {
-    expect(event.preventDefault.calledOnce).to.equal(true);
-    expect(handleChange.calledOnce).to.equal(true);
-    expect(handleChange.firstCall.args[0]).to.eql({
+  test('calls handleChange() function with partial', () => {
+    expect(event.preventDefault.mock.calls.length).toEqual(1);
+    expect(handleChange.mock.calls.length).toEqual(1);
+    expect(handleChange.mock.calls[0][0]).toEqual({
       test: 1,
     });
   });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_select_handler.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_select_handler.test.js
similarity index 77%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_select_handler.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_select_handler.test.js
index 7bc9ae5de0162..a8d5351341c17 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_select_handler.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_select_handler.test.js
@@ -17,24 +17,22 @@
  * under the License.
  */
 
-import sinon from 'sinon';
-import { expect } from 'chai';
-import { createSelectHandler } from '../create_select_handler';
+import { createSelectHandler } from './create_select_handler';
 
 describe('createSelectHandler()', () => {
   let handleChange;
   let changeHandler;
 
   beforeEach(() => {
-    handleChange = sinon.spy();
+    handleChange = jest.fn();
     changeHandler = createSelectHandler(handleChange);
     const fn = changeHandler('test');
     fn([{ value: 'foo' }]);
   });
 
-  it('calls handleChange() function with partial', () => {
-    expect(handleChange.calledOnce).to.equal(true);
-    expect(handleChange.firstCall.args[0]).to.eql({
+  test('calls handleChange() function with partial', () => {
+    expect(handleChange.mock.calls.length).toEqual(1);
+    expect(handleChange.mock.calls[0][0]).toEqual({
       test: 'foo',
     });
   });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_text_handler.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_text_handler.test.js
similarity index 70%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_text_handler.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_text_handler.test.js
index 689fc5c4d7df0..a8a5377b4b084 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/create_text_handler.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/create_text_handler.test.js
@@ -17,9 +17,7 @@
  * under the License.
  */
 
-import sinon from 'sinon';
-import { expect } from 'chai';
-import { createTextHandler } from '../create_text_handler';
+import { createTextHandler } from './create_text_handler';
 
 describe('createTextHandler()', () => {
   let handleChange;
@@ -27,17 +25,17 @@ describe('createTextHandler()', () => {
   let event;
 
   beforeEach(() => {
-    handleChange = sinon.spy();
+    handleChange = jest.fn();
     changeHandler = createTextHandler(handleChange);
-    event = { preventDefault: sinon.spy(), target: { value: 'foo' } };
+    event = { preventDefault: jest.fn(), target: { value: 'foo' } };
     const fn = changeHandler('test');
     fn(event);
   });
 
-  it('calls handleChange() function with partial', () => {
-    expect(event.preventDefault.calledOnce).to.equal(true);
-    expect(handleChange.calledOnce).to.equal(true);
-    expect(handleChange.firstCall.args[0]).to.eql({
+  test('calls handleChange() function with partial', () => {
+    expect(event.preventDefault.mock.calls.length).toEqual(1);
+    expect(handleChange.mock.calls.length).toEqual(1);
+    expect(handleChange.mock.calls[0][0]).toEqual({
       test: 'foo',
     });
   });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/get_axis_label_string.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/get_axis_label_string.test.js
similarity index 65%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/get_axis_label_string.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/get_axis_label_string.test.js
index 455a5b262c929..cfbd5ecb7bf65 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/get_axis_label_string.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/get_axis_label_string.test.js
@@ -17,17 +17,18 @@
  * under the License.
  */
 
-import { expect } from 'chai';
-import { getAxisLabelString } from '../get_axis_label_string';
+import { getAxisLabelString } from './get_axis_label_string';
+
+jest.mock('ui/new_platform');
 
 describe('getAxisLabelString(interval)', () => {
-  it('should return a valid label for 10 seconds', () => {
-    expect(getAxisLabelString(10000)).to.equal('per 10 seconds');
+  test('should return a valid label for 10 seconds', () => {
+    expect(getAxisLabelString(10000)).toEqual('per 10 seconds');
   });
-  it('should return a valid label for 2 minutes', () => {
-    expect(getAxisLabelString(120000)).to.equal('per 2 minutes');
+  test('should return a valid label for 2 minutes', () => {
+    expect(getAxisLabelString(120000)).toEqual('per 2 minutes');
   });
-  it('should return a valid label for 2 hour', () => {
-    expect(getAxisLabelString(7200000)).to.equal('per 2 hours');
+  test('should return a valid label for 2 hour', () => {
+    expect(getAxisLabelString(7200000)).toEqual('per 2 hours');
   });
 });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/re_id_series.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/re_id_series.test.js
similarity index 64%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/re_id_series.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/re_id_series.test.js
index b629e284a0fe4..7c646c7dde2e8 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/re_id_series.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/re_id_series.test.js
@@ -18,24 +18,24 @@
  */
 
 import uuid from 'uuid';
-import { expect } from 'chai';
-import { reIdSeries } from '../re_id_series';
+
+import { reIdSeries } from './re_id_series';
 
 describe('reIdSeries()', () => {
-  it('reassign ids for series with just basic metrics', () => {
+  test('reassign ids for series with just basic metrics', () => {
     const series = {
       id: uuid.v1(),
       metrics: [{ id: uuid.v1() }, { id: uuid.v1() }],
     };
     const newSeries = reIdSeries(series);
-    expect(newSeries).to.not.equal(series);
-    expect(newSeries.id).to.not.equal(series.id);
+    expect(newSeries).not.toEqual(series);
+    expect(newSeries.id).not.toEqual(series.id);
     newSeries.metrics.forEach((val, key) => {
-      expect(val.id).to.not.equal(series.metrics[key].id);
+      expect(val.id).not.toEqual(series.metrics[key].id);
     });
   });
 
-  it('reassign ids for series with just basic metrics and group by', () => {
+  test('reassign ids for series with just basic metrics and group by', () => {
     const firstMetricId = uuid.v1();
     const series = {
       id: uuid.v1(),
@@ -43,27 +43,27 @@ describe('reIdSeries()', () => {
       terms_order_by: firstMetricId,
     };
     const newSeries = reIdSeries(series);
-    expect(newSeries).to.not.equal(series);
-    expect(newSeries.id).to.not.equal(series.id);
+    expect(newSeries).not.toEqual(series);
+    expect(newSeries.id).not.toEqual(series.id);
     newSeries.metrics.forEach((val, key) => {
-      expect(val.id).to.not.equal(series.metrics[key].id);
+      expect(val.id).not.toEqual(series.metrics[key].id);
     });
-    expect(newSeries.terms_order_by).to.equal(newSeries.metrics[0].id);
+    expect(newSeries.terms_order_by).toEqual(newSeries.metrics[0].id);
   });
 
-  it('reassign ids for series with pipeline metrics', () => {
+  test('reassign ids for series with pipeline metrics', () => {
     const firstMetricId = uuid.v1();
     const series = {
       id: uuid.v1(),
       metrics: [{ id: firstMetricId }, { id: uuid.v1(), field: firstMetricId }],
     };
     const newSeries = reIdSeries(series);
-    expect(newSeries).to.not.equal(series);
-    expect(newSeries.id).to.not.equal(series.id);
-    expect(newSeries.metrics[0].id).to.equal(newSeries.metrics[1].field);
+    expect(newSeries).not.toEqual(series);
+    expect(newSeries.id).not.toEqual(series.id);
+    expect(newSeries.metrics[0].id).toEqual(newSeries.metrics[1].field);
   });
 
-  it('reassign ids for series with calculation vars', () => {
+  test('reassign ids for series with calculation vars', () => {
     const firstMetricId = uuid.v1();
     const series = {
       id: uuid.v1(),
@@ -77,8 +77,8 @@ describe('reIdSeries()', () => {
       ],
     };
     const newSeries = reIdSeries(series);
-    expect(newSeries).to.not.equal(series);
-    expect(newSeries.id).to.not.equal(series.id);
-    expect(newSeries.metrics[1].variables[0].field).to.equal(newSeries.metrics[0].id);
+    expect(newSeries).not.toEqual(series);
+    expect(newSeries.id).not.toEqual(series.id);
+    expect(newSeries.metrics[1].variables[0].field).toEqual(newSeries.metrics[0].id);
   });
 });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/replace_vars.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/replace_vars.test.js
similarity index 74%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/replace_vars.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/replace_vars.test.js
index 0ac7427f6facc..517958692dd2c 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/replace_vars.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/replace_vars.test.js
@@ -17,26 +17,25 @@
  * under the License.
  */
 
-import { expect } from 'chai';
-import { replaceVars } from '../replace_vars';
+import { replaceVars } from './replace_vars';
 
 describe('replaceVars(str, args, vars)', () => {
-  it('replaces vars with values', () => {
+  test('replaces vars with values', () => {
     const vars = { total: 100 };
     const args = { host: 'test-01' };
     const template = '# {{args.host}} {{total}}';
-    expect(replaceVars(template, args, vars)).to.equal('# test-01 100');
+    expect(replaceVars(template, args, vars)).toEqual('# test-01 100');
   });
-  it('replaces args override vars', () => {
+  test('replaces args override vars', () => {
     const vars = { total: 100, args: { test: 'foo-01' } };
     const args = { test: 'bar-01' };
     const template = '# {{args.test}} {{total}}';
-    expect(replaceVars(template, args, vars)).to.equal('# bar-01 100');
+    expect(replaceVars(template, args, vars)).toEqual('# bar-01 100');
   });
-  it('returns original string if error', () => {
+  test('returns original string if error', () => {
     const vars = { total: 100 };
     const args = { host: 'test-01' };
     const template = '# {{args.host}} {{total';
-    expect(replaceVars(template, args, vars)).to.equal('# {{args.host}} {{total');
+    expect(replaceVars(template, args, vars)).toEqual('# {{args.host}} {{total');
   });
 });
diff --git a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/tick_formatter.js b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/tick_formatter.test.js
similarity index 50%
rename from src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/tick_formatter.js
rename to src/legacy/core_plugins/vis_type_timeseries/public/components/lib/tick_formatter.test.js
index f31af4e846305..76d3cff17343e 100644
--- a/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/__tests__/tick_formatter.js
+++ b/src/legacy/core_plugins/vis_type_timeseries/public/components/lib/tick_formatter.test.js
@@ -17,64 +17,93 @@
  * under the License.
  */
 
-import { expect } from 'chai';
-import { createTickFormatter } from '../tick_formatter';
+import { npStart } from 'ui/new_platform';
+import { createTickFormatter } from './tick_formatter';
+import { getFieldFormatsRegistry } from '../../../../../../test_utils/public/stub_field_formats';
+
+const mockUiSettings = {
+  get: item => {
+    return mockUiSettings[item];
+  },
+  getUpdate$: () => ({
+    subscribe: jest.fn(),
+  }),
+  'query:allowLeadingWildcards': true,
+  'query:queryString:options': {},
+  'courier:ignoreFilterIfFieldNotInIndex': true,
+  'dateFormat:tz': 'Browser',
+  'format:defaultTypeMap': {},
+};
+
+const mockCore = {
+  chrome: {},
+  uiSettings: mockUiSettings,
+  http: {
+    basePath: {
+      get: jest.fn(),
+    },
+  },
+};
 
 describe('createTickFormatter(format, template)', () => {
-  it('returns a number with two decimal place by default', () => {
+  npStart.plugins.data = {
+    fieldFormats: getFieldFormatsRegistry(mockCore),
+  };
+
+  test('returns a number with two decimal place by default', () => {
     const fn = createTickFormatter();
-    expect(fn(1.5556)).to.equal('1.56');
+    expect(fn(1.5556)).toEqual('1.56');
   });
 
-  it('returns a percent with percent formatter', () => {
+  test('returns a percent with percent formatter', () => {
     const config = {
       'format:percent:defaultPattern': '0.[00]%',
     };
     const fn = createTickFormatter('percent', null, key => config[key]);
-    expect(fn(0.5556)).to.equal('55.56%');
+    expect(fn(0.5556)).toEqual('55.56%');
   });
 
-  it('returns a byte formatted string with byte formatter', () => {
+  test('returns a byte formatted string with byte formatter', () => {
     const config = {
       'format:bytes:defaultPattern': '0.0b',
     };
     const fn = createTickFormatter('bytes', null, key => config[key]);
-    expect(fn(1500 ^ 10)).to.equal('1.5KB');
+    expect(fn(1500 ^ 10)).toEqual('1.5KB');
   });
 
-  it('returns a custom formatted string with custom formatter', () => {
+  test('returns a custom formatted string with custom formatter', () => {
     const fn = createTickFormatter('0.0a');
-    expect(fn(1500)).to.equal('1.5k');
+    expect(fn(1500)).toEqual('1.5k');
   });
 
-  it('returns a located string with custom locale setting', () => {
+  test('returns a located string with custom locale setting', () => {
     const config = {
       'format:number:defaultLocale': 'fr',
     };
     const fn = createTickFormatter('0,0.0', null, key => config[key]);
-    expect(fn(1500)).to.equal('1 500,0');
+    expect(fn(1500)).toEqual('1 500,0');
   });
 
-  it('returns a custom formatted string with custom formatter and template', () => {
+  test('returns a custom formatted string with custom formatter and template', () => {
     const fn = createTickFormatter('0.0a', '{{value}}/s');
-    expect(fn(1500)).to.equal('1.5k/s');
+    expect(fn(1500)).toEqual('1.5k/s');
   });
 
-  it('returns "foo" if passed a string', () => {
+  test('returns "foo" if passed a string', () => {
     const fn = createTickFormatter();
-    expect(fn('foo')).to.equal('foo');
+    expect(fn('foo')).toEqual('foo');
   });
 
-  it('returns value if passed a bad formatter', () => {
+  test('returns value if passed a bad formatter', () => {
     const fn = createTickFormatter('102');
-    expect(fn(100)).to.equal('100');
+    expect(fn(100)).toEqual('100');
   });
 
-  it('returns formatted value if passed a bad template', () => {
+  test('returns formatted value if passed a bad template', () => {
     const config = {
       'format:number:defaultPattern': '0,0.[00]',
     };
     const fn = createTickFormatter('number', '{{value', key => config[key]);
-    expect(fn(1.5556)).to.equal('1.56');
+    expect(fn(1.5556)).toEqual('1.56');
   });
 });
diff --git a/x-pack/plugins/translations/translations/ja-JP.json b/x-pack/plugins/translations/translations/ja-JP.json
index 2686cf368f5c1..3df9a4d1c3e81 100644
--- a/x-pack/plugins/translations/translations/ja-JP.json
+++ b/x-pack/plugins/translations/translations/ja-JP.json
@@ -3232,7 +3232,6 @@
     "visTypeTimeseries.addDeleteButtons.deleteButtonDefaultTooltip": "削除",
     "visTypeTimeseries.addDeleteButtons.reEnableTooltip": "再度有効にする",
     "visTypeTimeseries.addDeleteButtons.temporarilyDisableTooltip": "一時的に無効にする",
-    "visTypeTimeseries.aggLookup.addPipelineAggDescription": "{label} (「+」ボタンでこのパイプライン集約を追加します)",
     "visTypeTimeseries.aggLookup.averageLabel": "平均",
     "visTypeTimeseries.aggLookup.calculationLabel": "計算",
     "visTypeTimeseries.aggLookup.cardinalityLabel": "基数",
diff --git a/x-pack/plugins/translations/translations/zh-CN.json b/x-pack/plugins/translations/translations/zh-CN.json
index 0b54844266442..ee8244b562414 100644
--- a/x-pack/plugins/translations/translations/zh-CN.json
+++ b/x-pack/plugins/translations/translations/zh-CN.json
@@ -3232,7 +3232,6 @@
     "visTypeTimeseries.addDeleteButtons.deleteButtonDefaultTooltip": "删除",
     "visTypeTimeseries.addDeleteButtons.reEnableTooltip": "重新启用",
     "visTypeTimeseries.addDeleteButtons.temporarilyDisableTooltip": "暂时禁用",
-    "visTypeTimeseries.aggLookup.addPipelineAggDescription": "{label}（使用“+”按钮添加此管道聚合）",
     "visTypeTimeseries.aggLookup.averageLabel": "平均值",
     "visTypeTimeseries.aggLookup.calculationLabel": "计算",
     "visTypeTimeseries.aggLookup.cardinalityLabel": "基数",