[Multiple Datasource Test]add more test for icon and aggregated view (#…

…6729)

* add more test for icon and aggregated view

Signed-off-by: yujin-emma <yujin.emma.work@gmail.com>

* Changeset file for PR #6729 created/updated

* Update CHANGELOG.md

---------

Signed-off-by: yujin-emma <yujin.emma.work@gmail.com>
Co-authored-by: opensearch-changeset-bot[bot] <154024398+opensearch-changeset-bot[bot]@users.noreply.github.com>

changelogs/fragments/6729.yml

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+fix:
+- Add more test for icon and aggregated view ([#6729](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6729))

src/plugins/data_source_management/public/components/custom_database_icon/empty_icon.test.tsx

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+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { shallow } from 'enzyme';
+import React from 'react';
+import { EmptyIcon } from './empty_icon';
+
+describe('Test on empty icon', () => {
+  it('should render the component normally', () => {
+    const component = shallow(<EmptyIcon />);
+    expect(component).toMatchSnapshot();
+  });
+});

src/plugins/data_source_management/public/components/custom_database_icon/error_icon.test.tsx

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+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { shallow } from 'enzyme';
+import React from 'react';
+import { ErrorIcon } from './error_icon';
+
+describe('Test on empty icon', () => {
+  it('should render the component normally', () => {
+    const component = shallow(<ErrorIcon />);
+    expect(component).toMatchSnapshot();
+  });
+});