Add jest test

src/plugins/discover/public/application/components/discover_grid/discover_grid_flyout.test.tsx

@@ -0,0 +1,39 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * and the Server Side Public License, v 1; you may not use this file except in
+ * compliance with, at your election, the Elastic License or the Server Side
+ * Public License, v 1.
+ */
+
+import React from 'react';
+import { findTestSubject } from '@elastic/eui/lib/test';
+import { mountWithIntl } from '@kbn/test/jest';
+import { DiscoverGridFlyout } from './discover_grid_flyout';
+import { esHits } from '../../../__mocks__/es_hits';
+import { createFilterManagerMock } from '../../../../../data/public/query/filter_manager/filter_manager.mock';
+import { indexPatternMock } from '../../../__mocks__/index_pattern';
+import { DiscoverServices } from '../../../build_services';
+import { DocViewsRegistry } from '../../doc_views/doc_views_registry';
+import { setDocViewsRegistry } from '../../../kibana_services';
+
+describe('Discover flyout', function () {
+  it('should be rendered', async () => {
+    setDocViewsRegistry(new DocViewsRegistry());
+    const component = mountWithIntl(
+      <DiscoverGridFlyout
+        columns={['date']}
+        indexPattern={indexPatternMock}
+        hit={esHits[0]}
+        onAddColumn={jest.fn()}
+        onClose={jest.fn()}
+        onFilter={jest.fn()}
+        onRemoveColumn={jest.fn()}
+        services={({ filterManager: createFilterManagerMock() } as unknown) as DiscoverServices}
+      />
+    );
+
+    const url = findTestSubject(component, 'docTableRowAction').prop('href');
+    expect(url).toMatchInlineSnapshot(`"#/doc/the-index-pattern-id/i?id=1"`);
+  });
+});