Update UT

Signed-off-by: Yibo Wang <yibow@amazon.com>

src/plugins/data_source_management/public/management_app/compoenent/experimental_callout/experimental_callout.test.tsx

@@ -4,15 +4,26 @@
  */
 
 import React from 'react';
-import { shallow } from 'enzyme';
+import { mount } from 'enzyme';
 import { ExperimentalCallout } from './experimental_callout';
 import { DocLinksStart } from 'opensearch-dashboards/public';
 import { docLinks } from '../../../mocks';
 
-describe('Dataasource experimental callout component', () => {
+const titleIdentifier = '.euiCallOutHeader__title';
+const descriptionIdentifier = '[data-test-subj="data-source-experimental-call"]';
+const expectedTitleText = 'Experimental Feature';
+const expectedDescriptionText =
+  'Experimental FeatureThe feature is experimental and should not be used in a production environment. Any index patterns, visualization, and observability panels will be impacted if the feature is deactivated. For more information see Data Source Documentation(opens in a new tab or window) To leave feedback, visit OpenSearch Forum';
+
+describe('Datasource experimental callout component', () => {
   test('should render normally', () => {
     const mockedDocLinks = docLinks as DocLinksStart;
-    const component = shallow(<ExperimentalCallout docLinks={mockedDocLinks} />);
+    const component = mount(<ExperimentalCallout docLinks={mockedDocLinks} />);
+    const titleText = component.find(titleIdentifier).text();
+    const descriptionText = component.find(descriptionIdentifier).last().text();
+
+    expect(titleText).toBe(expectedTitleText);
+    expect(descriptionText).toBe(expectedDescriptionText);
     expect(component).toMatchSnapshot();
   });
 });