kgabryje commented on code in PR #32207:
URL: https://github.com/apache/superset/pull/32207#discussion_r1951101168


##########
superset-frontend/src/dashboard/components/SliceAdder.test.tsx:
##########
@@ -16,181 +16,239 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-import { shallow, ShallowWrapper } from 'enzyme';
-import sinon from 'sinon';
-
-import SliceAdder, {
-  ChartList,
-  DEFAULT_SORT_KEY,
-  SliceAdderProps,
-} from 'src/dashboard/components/SliceAdder';
+import {
+  fireEvent,
+  render,
+  screen,
+  userEvent,
+} from 'spec/helpers/testing-library';
+import { Provider } from 'react-redux';
+import {
+  ThemeProvider,
+  supersetTheme,
+  DatasourceType,
+} from '@superset-ui/core';
 import { sliceEntitiesForDashboard as mockSliceEntities } from 
'spec/fixtures/mockSliceEntities';
-import { styledShallow } from 'spec/helpers/theming';
+import { configureStore } from '@reduxjs/toolkit';
+import SliceAdder, { SliceAdderProps } from './SliceAdder';
+
+// Mock the Select component to avoid debounce issues
+jest.mock('@superset-ui/core', () => ({
+  ...jest.requireActual('@superset-ui/core'),
+  Select: ({ value, onChange, options }: any) => (
+    <select
+      data-test="select"
+      value={value}
+      onChange={e => onChange(e.target.value)}
+    >
+      {options?.map((opt: any) => (
+        <option key={opt.value} value={opt.value}>
+          {opt.label}
+        </option>
+      ))}
+    </select>
+  ),
+}));
+
+jest.mock('lodash/debounce', () => {
+  const debounced = (fn: Function) => {
+    const debouncedFn = ((...args: any[]) =>
+      fn(...args)) as unknown as Function & {
+      cancel: () => void;
+    };
+    debouncedFn.cancel = () => {};
+    return debouncedFn;
+  };
+  return debounced;
+});
 
-jest.mock(
-  'lodash/debounce',
-  () => (fn: { throttle: jest.Mock<any, any, any> }) => {
-    // eslint-disable-next-line no-param-reassign
-    fn.throttle = jest.fn();
-    return fn;
-  },
-);
+const mockStore = configureStore({
+  reducer: (state = { common: { locale: 'en' } }) => state,
+});
 
-describe('SliceAdder', () => {
-  const props: SliceAdderProps = {
-    slices: {
-      ...mockSliceEntities.slices,
-    },
-    fetchSlices: jest.fn(),
-    updateSlices: jest.fn(),
-    selectedSliceIds: [127, 128],
-    userId: 1,
-    dashboardId: 0,
-    editMode: false,
-    errorMessage: '',
-    isLoading: false,
-    lastUpdated: 0,
-  };
-  const errorProps = {
-    ...props,
-    errorMessage: 'this is error',
-  };
-  describe('SliceAdder.sortByComparator', () => {
-    it('should sort by timestamp descending', () => {
-      const sortedTimestamps = Object.values(props.slices)
-        .sort(SliceAdder.sortByComparator('changed_on'))
-        .map(slice => slice.changed_on);
-      expect(
-        sortedTimestamps.every((currentTimestamp, index) => {
-          if (index === 0) {
-            return true;
-          }
-          return currentTimestamp < sortedTimestamps[index - 1];
-        }),
-      ).toBe(true);
-    });
+const defaultProps: SliceAdderProps = {
+  slices: mockSliceEntities.slices,
+  fetchSlices: jest.fn(),
+  updateSlices: jest.fn(),
+  selectedSliceIds: [127, 128],
+  userId: 1,
+  dashboardId: 0,
+  editMode: false,
+  errorMessage: '',
+  isLoading: false,
+  lastUpdated: 0,
+};
+
+const renderSliceAdder = (props = defaultProps) =>
+  render(
+    <Provider store={mockStore}>

Review Comment:
   same here - we dont need theme provider, and we can pass the mocked store 
through options, like `render(<Component />, { store: mockStore}`



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