diff --git a/x-pack/test/apm_api_integration/tests/storage_explorer/storage_details.spec.ts b/x-pack/test/apm_api_integration/tests/storage_explorer/storage_details.spec.ts
index be0f1be8df99b..a9ec2199c8b23 100644
--- a/x-pack/test/apm_api_integration/tests/storage_explorer/storage_details.spec.ts
+++ b/x-pack/test/apm_api_integration/tests/storage_explorer/storage_details.spec.ts
@@ -13,6 +13,7 @@ import {
   APIClientRequestParamsOf,
 } from '@kbn/apm-plugin/public/services/rest/create_call_apm_api';
 import { RecursivePartial } from '@kbn/apm-plugin/typings/common';
+import { keyBy } from 'lodash';
 import { FtrProviderContext } from '../../common/ftr_provider_context';
 
 type StorageDetails = APIReturnType<'GET /internal/apm/services/{serviceName}/storage_details'>;
@@ -113,32 +114,18 @@ export default function ApiTest({ getService }: FtrProviderContext) {
       it('returns correct stats for processor events', async () => {
         const { status, body } = await callApi();
         expect(status).to.be(200);
-
         expect(body.processorEventStats).to.have.length(4);
 
-        const transactionStats = body.processorEventStats.find(
-          ({ processorEvent }) => processorEvent === ProcessorEvent.transaction
-        );
-        expect(transactionStats?.docs).to.be(3);
-        expect(transactionStats?.size).to.be.greaterThan(0);
-
-        const spanStats = body.processorEventStats.find(
-          ({ processorEvent }) => processorEvent === ProcessorEvent.span
-        );
-        expect(spanStats?.docs).to.be(6);
-        expect(spanStats?.size).to.be.greaterThan(0);
-
-        const errorStats = body.processorEventStats.find(
-          ({ processorEvent }) => processorEvent === ProcessorEvent.error
-        );
-        expect(errorStats?.docs).to.be(9);
-        expect(errorStats?.size).to.be.greaterThan(0);
-
-        const metricStats = body.processorEventStats.find(
-          ({ processorEvent }) => processorEvent === ProcessorEvent.metric
-        );
-        expect(metricStats?.docs).to.be.greaterThan(0);
-        expect(metricStats?.size).to.be.greaterThan(0);
+        const stats = keyBy(body.processorEventStats, 'processorEvent');
+
+        expect(stats[ProcessorEvent.transaction]?.docs).to.be(3);
+        expect(stats[ProcessorEvent.transaction]?.size).to.be.greaterThan(0);
+        expect(stats[ProcessorEvent.span]?.docs).to.be(6);
+        expect(stats[ProcessorEvent.span]?.size).to.be.greaterThan(0);
+        expect(stats[ProcessorEvent.error]?.docs).to.be(9);
+        expect(stats[ProcessorEvent.error]?.size).to.be.greaterThan(0);
+        expect(stats[ProcessorEvent.metric]?.docs).to.be.greaterThan(0);
+        expect(stats[ProcessorEvent.metric]?.size).to.be.greaterThan(0);
       });
 
       it('returns empty stats when there is no matching environment', async () => {
diff --git a/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer.spec.ts b/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer.spec.ts
index bfa537b8f2d61..dc2429a5b8b3a 100644
--- a/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer.spec.ts
+++ b/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer.spec.ts
@@ -9,6 +9,7 @@ import { IndexLifecyclePhaseSelectOption } from '@kbn/apm-plugin/common/storage_
 import { apm, timerange } from '@kbn/apm-synthtrace';
 import { APIClientRequestParamsOf } from '@kbn/apm-plugin/public/services/rest/create_call_apm_api';
 import { RecursivePartial } from '@kbn/apm-plugin/typings/common';
+import { keyBy } from 'lodash';
 import { FtrProviderContext } from '../../common/ftr_provider_context';
 
 export default function ApiTest({ getService }: FtrProviderContext) {
@@ -109,18 +110,16 @@ export default function ApiTest({ getService }: FtrProviderContext) {
 
         expect(body.serviceStatistics).to.have.length(2);
 
-        const goServiceStats = body.serviceStatistics.find(
-          ({ serviceName }) => serviceName === 'opbeans-go'
-        );
+        const stats = keyBy(body.serviceStatistics, 'serviceName');
+
+        const goServiceStats = stats[goServiceName];
         expect(goServiceStats?.environments).to.have.length(1);
         expect(goServiceStats?.environments).to.contain('production');
         expect(goServiceStats?.agentName).to.be('go');
         expect(goServiceStats?.size).to.be.greaterThan(0);
         expect(goServiceStats?.sampling).to.be(1);
 
-        const nodeServiceStats = body.serviceStatistics.find(
-          ({ serviceName }) => serviceName === 'opbeans-node'
-        );
+        const nodeServiceStats = stats[nodeServiceName];
         expect(nodeServiceStats?.environments).to.have.length(2);
         expect(nodeServiceStats?.environments).to.contain('staging');
         expect(nodeServiceStats?.environments).to.contain('dev');
diff --git a/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer_summary_stats.spec.ts b/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer_summary_stats.spec.ts
index 64d39dcab141f..afde7d243c227 100644
--- a/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer_summary_stats.spec.ts
+++ b/x-pack/test/apm_api_integration/tests/storage_explorer/storage_explorer_summary_stats.spec.ts
@@ -10,6 +10,7 @@ import { apm, timerange } from '@kbn/apm-synthtrace';
 import { APIClientRequestParamsOf } from '@kbn/apm-plugin/public/services/rest/create_call_apm_api';
 import { RecursivePartial } from '@kbn/apm-plugin/typings/common';
 import { FtrProviderContext } from '../../common/ftr_provider_context';
+import { roundNumber } from '../../utils';
 
 export default function ApiTest({ getService }: FtrProviderContext) {
   const registry = getService('registry');
@@ -98,7 +99,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
 
         expect(status).to.be(200);
         expect(body.numberOfServices).to.be(2);
-        expect(Math.round(body.tracesPerMinute)).to.be(2);
+        expect(roundNumber(body.tracesPerMinute)).to.be(2);
         expect(body.estimatedSize).to.be.greaterThan(0);
         expect(body.dailyDataGeneration).to.be.greaterThan(0);
       });
@@ -112,7 +113,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
 
         expect(status).to.be(200);
         expect(body.numberOfServices).to.be(1);
-        expect(Math.round(body.tracesPerMinute)).to.be(1);
+        expect(roundNumber(body.tracesPerMinute)).to.be(1);
         expect(body.estimatedSize).to.be.greaterThan(0);
         expect(body.dailyDataGeneration).to.be.greaterThan(0);
       });
@@ -140,7 +141,7 @@ export default function ApiTest({ getService }: FtrProviderContext) {
 
         expect(status).to.be(200);
         expect(body.numberOfServices).to.be(1);
-        expect(Math.round(body.tracesPerMinute)).to.be(1);
+        expect(roundNumber(body.tracesPerMinute)).to.be(1);
         expect(body.estimatedSize).to.be.greaterThan(0);
         expect(body.dailyDataGeneration).to.be.greaterThan(0);
       });