diff --git a/x-pack/legacy/plugins/siem/public/pages/timelines/timelines_page.test.tsx b/x-pack/legacy/plugins/siem/public/pages/timelines/timelines_page.test.tsx
new file mode 100644
index 0000000000000..62399891c9606
--- /dev/null
+++ b/x-pack/legacy/plugins/siem/public/pages/timelines/timelines_page.test.tsx
@@ -0,0 +1,89 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { TimelinesPageComponent } from './timelines_page';
+import { useKibana } from '../../lib/kibana';
+import { shallow, ShallowWrapper } from 'enzyme';
+import React from 'react';
+import ApolloClient from 'apollo-client';
+
+jest.mock('../../lib/kibana', () => {
+  return {
+    useKibana: jest.fn(),
+  };
+});
+describe('TimelinesPageComponent', () => {
+  const mockAppollloClient = {} as ApolloClient<object>;
+  let wrapper: ShallowWrapper;
+
+  describe('If the user is authorised', () => {
+    beforeAll(() => {
+      ((useKibana as unknown) as jest.Mock).mockReturnValue({
+        services: {
+          application: {
+            capabilities: {
+              siem: {
+                crud: true,
+              },
+            },
+          },
+        },
+      });
+      wrapper = shallow(<TimelinesPageComponent apolloClient={mockAppollloClient} />);
+    });
+
+    afterAll(() => {
+      ((useKibana as unknown) as jest.Mock).mockReset();
+    });
+
+    test('should not show the import timeline modal by default', () => {
+      expect(
+        wrapper.find('[data-test-subj="stateful-open-timeline"]').prop('importDataModalToggle')
+      ).toEqual(false);
+    });
+
+    test('should show the import timeline button', () => {
+      expect(wrapper.find('[data-test-subj="open-import-data-modal-btn"]').exists()).toEqual(true);
+    });
+
+    test('should show the import timeline modal after user clicking on the button', () => {
+      wrapper.find('[data-test-subj="open-import-data-modal-btn"]').simulate('click');
+      expect(
+        wrapper.find('[data-test-subj="stateful-open-timeline"]').prop('importDataModalToggle')
+      ).toEqual(true);
+    });
+  });
+
+  describe('If the user is not authorised', () => {
+    beforeAll(() => {
+      ((useKibana as unknown) as jest.Mock).mockReturnValue({
+        services: {
+          application: {
+            capabilities: {
+              siem: {
+                crud: false,
+              },
+            },
+          },
+        },
+      });
+      wrapper = shallow(<TimelinesPageComponent apolloClient={mockAppollloClient} />);
+    });
+
+    afterAll(() => {
+      ((useKibana as unknown) as jest.Mock).mockReset();
+    });
+    test('should not show the import timeline modal by default', () => {
+      expect(
+        wrapper.find('[data-test-subj="stateful-open-timeline"]').prop('importDataModalToggle')
+      ).toEqual(false);
+    });
+
+    test('should not show the import timeline button', () => {
+      expect(wrapper.find('[data-test-subj="open-import-data-modal-btn"]').exists()).toEqual(false);
+    });
+  });
+});
diff --git a/x-pack/legacy/plugins/siem/public/pages/timelines/timelines_page.tsx b/x-pack/legacy/plugins/siem/public/pages/timelines/timelines_page.tsx
index 75bef7a04a4c9..73070d2b94aac 100644
--- a/x-pack/legacy/plugins/siem/public/pages/timelines/timelines_page.tsx
+++ b/x-pack/legacy/plugins/siem/public/pages/timelines/timelines_page.tsx
@@ -28,7 +28,7 @@ type OwnProps = TimelinesProps;
 
 export const DEFAULT_SEARCH_RESULTS_PER_PAGE = 10;
 
-const TimelinesPageComponent: React.FC<OwnProps> = ({ apolloClient }) => {
+export const TimelinesPageComponent: React.FC<OwnProps> = ({ apolloClient }) => {
   const [importDataModalToggle, setImportDataModalToggle] = useState<boolean>(false);
   const onImportTimelineBtnClick = useCallback(() => {
     setImportDataModalToggle(true);
@@ -43,7 +43,11 @@ const TimelinesPageComponent: React.FC<OwnProps> = ({ apolloClient }) => {
       <WrapperPage>
         <HeaderPage border title={i18n.PAGE_TITLE}>
           {capabilitiesCanUserCRUD && (
-            <EuiButton iconType="indexOpen" onClick={onImportTimelineBtnClick}>
+            <EuiButton
+              iconType="indexOpen"
+              onClick={onImportTimelineBtnClick}
+              data-test-subj="open-import-data-modal-btn"
+            >
               {i18n.ALL_TIMELINES_IMPORT_TIMELINE_TITLE}
             </EuiButton>
           )}
@@ -57,6 +61,7 @@ const TimelinesPageComponent: React.FC<OwnProps> = ({ apolloClient }) => {
             importDataModalToggle={importDataModalToggle && capabilitiesCanUserCRUD}
             setImportDataModalToggle={setImportDataModalToggle}
             title={i18n.ALL_TIMELINES_PANEL_TITLE}
+            data-test-subj="stateful-open-timeline"
           />
         </TimelinesContainer>
       </WrapperPage>
diff --git a/x-pack/legacy/plugins/siem/server/lib/timeline/routes/schemas/schemas.ts b/x-pack/legacy/plugins/siem/server/lib/timeline/routes/schemas/schemas.ts
index 63aee97729141..6552f973a66fa 100644
--- a/x-pack/legacy/plugins/siem/server/lib/timeline/routes/schemas/schemas.ts
+++ b/x-pack/legacy/plugins/siem/server/lib/timeline/routes/schemas/schemas.ts
@@ -6,14 +6,14 @@
 import Joi from 'joi';
 
 const allowEmptyString = Joi.string().allow([null, '']);
-const columnHeaderType = Joi.string();
+const columnHeaderType = allowEmptyString;
 export const created = Joi.number().allow(null);
-export const createdBy = Joi.string();
+export const createdBy = allowEmptyString;
 
 export const description = allowEmptyString;
 export const end = Joi.number();
 export const eventId = allowEmptyString;
-export const eventType = Joi.string();
+export const eventType = allowEmptyString;
 
 export const filters = Joi.array()
   .items(
@@ -24,19 +24,11 @@ export const filters = Joi.array()
         disabled: Joi.boolean().allow(null),
         field: allowEmptyString,
         formattedValue: allowEmptyString,
-        index: {
-          type: 'keyword',
-        },
-        key: {
-          type: 'keyword',
-        },
-        negate: {
-          type: 'boolean',
-        },
+        index: allowEmptyString,
+        key: allowEmptyString,
+        negate: Joi.boolean().allow(null),
         params: allowEmptyString,
-        type: {
-          type: 'keyword',
-        },
+        type: allowEmptyString,
         value: allowEmptyString,
       }),
       exists: allowEmptyString,
@@ -68,22 +60,22 @@ export const version = allowEmptyString;
 export const columns = Joi.array().items(
   Joi.object({
     aggregatable: Joi.boolean().allow(null),
-    category: Joi.string(),
+    category: allowEmptyString,
     columnHeaderType,
     description,
     example: allowEmptyString,
     indexes: allowEmptyString,
-    id: Joi.string(),
+    id: allowEmptyString,
     name,
     placeholder: allowEmptyString,
     searchable: Joi.boolean().allow(null),
-    type: Joi.string(),
+    type: allowEmptyString,
   }).required()
 );
 export const dataProviders = Joi.array()
   .items(
     Joi.object({
-      id: Joi.string(),
+      id: allowEmptyString,
       name: allowEmptyString,
       enabled: Joi.boolean().allow(null),
       excluded: Joi.boolean().allow(null),
@@ -98,7 +90,7 @@ export const dataProviders = Joi.array()
       and: Joi.array()
         .items(
           Joi.object({
-            id: Joi.string(),
+            id: allowEmptyString,
             name,
             enabled: Joi.boolean().allow(null),
             excluded: Joi.boolean().allow(null),
@@ -122,9 +114,9 @@ export const dateRange = Joi.object({
 });
 export const favorite = Joi.array().items(
   Joi.object({
-    keySearch: Joi.string(),
-    fullName: Joi.string(),
-    userName: Joi.string(),
+    keySearch: allowEmptyString,
+    fullName: allowEmptyString,
+    userName: allowEmptyString,
     favoriteDate: Joi.number(),
   }).allow(null)
 );
@@ -141,26 +133,26 @@ const noteItem = Joi.object({
 });
 export const eventNotes = Joi.array().items(noteItem);
 export const globalNotes = Joi.array().items(noteItem);
-export const kqlMode = Joi.string();
+export const kqlMode = allowEmptyString;
 export const kqlQuery = Joi.object({
   filterQuery: Joi.object({
     kuery: Joi.object({
-      kind: Joi.string(),
+      kind: allowEmptyString,
       expression: allowEmptyString,
     }),
     serializedQuery: allowEmptyString,
   }),
 });
 export const pinnedEventIds = Joi.array()
-  .items(Joi.string())
+  .items(allowEmptyString)
   .allow(null);
 export const sort = Joi.object({
-  columnId: Joi.string(),
-  sortDirection: Joi.string(),
+  columnId: allowEmptyString,
+  sortDirection: allowEmptyString,
 });
 /* eslint-disable @typescript-eslint/camelcase */
 
-export const ids = Joi.array().items(Joi.string());
+export const ids = Joi.array().items(allowEmptyString);
 
 export const exclude_export_details = Joi.boolean();
 export const file_name = allowEmptyString;