[ML] Trained models: Accessibility tests (elastic#197446)

## Summary

Accessibility tests for Trained models page.

x-pack/plugins/ml/public/application/components/help_icon/help_icon.tsx

@@ -12,13 +12,7 @@ import { EuiIcon, EuiToolTip } from '@elastic/eui';
 export const HelpIcon: FC<{ content: ReactNode | string }> = ({ content }) => {
   return (
     <EuiToolTip position="top" content={content}>
-      <EuiIcon
-        tabIndex={0}
-        type="questionInCircle"
-        color={'subdued'}
-        className="eui-alignTop"
-        size="s"
-      />
+      <EuiIcon type="questionInCircle" color={'subdued'} className="eui-alignTop" size="s" />
     </EuiToolTip>
   );
 };

x-pack/test/accessibility/apps/group2/index.ts

@@ -13,5 +13,6 @@ export default ({ loadTestFile }: FtrProviderContext): void => {
     loadTestFile(require.resolve('./ml_anomaly_detection'));
     loadTestFile(require.resolve('./transform'));
     loadTestFile(require.resolve('./lens'));
+    loadTestFile(require.resolve('./ml_trained_models'));
   });
 };

x-pack/test/accessibility/apps/group2/ml_trained_models.ts

@@ -0,0 +1,71 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { FtrProviderContext } from '../../ftr_provider_context';
+
+export default function ({ getService }: FtrProviderContext) {
+  const a11y = getService('a11y');
+  const ml = getService('ml');
+
+  const testModelId = 'lang_ident_model_1';
+
+  describe('machine learning trained models page Accessibility', function () {
+    before(async () => {
+      await ml.securityCommon.createMlRoles();
+      await ml.securityCommon.createMlUsers();
+      await ml.api.createIngestPipeline(testModelId);
+      await ml.securityUI.loginAsMlPowerUser();
+      await ml.navigation.navigateToMl();
+      await ml.navigation.navigateToTrainedModels();
+    });
+
+    after(async () => {
+      await ml.api.deleteIngestPipeline(testModelId);
+
+      await ml.securityCommon.cleanMlUsers();
+      await ml.securityCommon.cleanMlRoles();
+      await ml.securityUI.logout();
+    });
+
+    it('trained models list', async () => {
+      await a11y.testAppSnapshot();
+    });
+
+    it('trained model details', async () => {
+      await ml.trainedModelsTable.ensureRowIsExpanded(testModelId);
+      await a11y.testAppSnapshot();
+
+      await ml.testExecution.logTestStep('Assert the Details tab content');
+      await ml.trainedModelsTable.assertDetailsTabContent();
+      await a11y.testAppSnapshot();
+
+      await ml.testExecution.logTestStep('Assert the Models Map tab content');
+      await ml.trainedModelsTable.assertModelsMapTabContent();
+      await a11y.testAppSnapshot();
+
+      await ml.testExecution.logTestStep('Assert the Inference Config tab content');
+      await ml.trainedModelsTable.assertInferenceConfigTabContent();
+      await a11y.testAppSnapshot();
+
+      await ml.testExecution.logTestStep('Assert the Stats tab content');
+      await ml.trainedModelsTable.assertStatsTabContent();
+      await a11y.testAppSnapshot();
+
+      await ml.testExecution.logTestStep('Assert the Pipelines tab content');
+      await ml.trainedModelsTable.assertPipelinesTabContent();
+      await a11y.testAppSnapshot();
+    });
+
+    it('add trained model flyout', async () => {
+      await ml.trainedModelsFlyout.open();
+      await a11y.testAppSnapshot();
+
+      await ml.trainedModelsFlyout.changeTab('manualDownload');
+      await a11y.testAppSnapshot();
+    });
+  });
+}

x-pack/test/functional/services/ml/add_trained_models_flyout.ts

@@ -93,6 +93,10 @@ export function TrainedModelsFlyoutProvider({ getService }: FtrProviderContext)
         });
     },
 
+    async changeTab(tab: AddModelFlyoutTabId) {
+      await testSubjects.click(`mlAddTrainedModelFlyoutTab ${tab}`);
+    },
+
     async assertElandPythonClientCodeBlocks() {
       expect(await testSubjects.getVisibleText('mlElandPipInstallCodeBlock')).to.match(
         /python -m pip install eland/