Incorporated the feedback

Signed-off-by: bogdannechyporenko <bogdannechiporenko@gmail.com>

plugins/cost-insights/package.json

@@ -38,6 +38,7 @@
     "@backstage/core-plugin-api": "workspace:^",
     "@backstage/plugin-catalog-react": "workspace:^",
     "@backstage/plugin-cost-insights-common": "workspace:^",
+    "@backstage/test-utils": "workspace:^",
     "@backstage/theme": "workspace:^",
     "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",

plugins/cost-insights/src/components/CostOverviewCard/CostOverviewCard.test.tsx

@@ -15,7 +15,7 @@
  */
 import React from 'react';
 import { fireEvent } from '@testing-library/react';
-import { renderInTestApp } from '@backstage/test-utils';
+import { MockPluginProvider, renderInTestApp } from '@backstage/test-utils';
 import { CostOverviewCard } from './CostOverviewCard';
 import { Cost } from '../../types';
 import {
@@ -23,12 +23,11 @@ import {
   getGroupedProducts,
   getGroupedProjects,
   MockAggregatedDailyCosts,
-  trendlineOf,
   MockBillingDateProvider,
   MockConfigProvider,
   MockFilterProvider,
   MockScrollProvider,
-  MockPluginProvider,
+  trendlineOf,
 } from '../../testUtils';
 import { CostInsightsThemeProvider } from '../CostInsightsPage/CostInsightsThemeProvider';
 

plugins/cost-insights/src/components/EntityCosts/EntityCost.test.tsx

@@ -14,20 +14,22 @@
  * limitations under the License.
  */
 import React from 'react';
-import { renderInTestApp } from '@backstage/test-utils';
+import {
+  MockPluginProvider,
+  renderInTestApp,
+  TestApiProvider,
+} from '@backstage/test-utils';
 import {
   changeOf,
   MockAggregatedDailyCosts,
   MockBillingDateProvider,
   MockConfigProvider,
   MockFilterProvider,
-  MockPluginProvider,
   MockScrollProvider,
   trendlineOf,
 } from '../../testUtils';
 import { CostInsightsThemeProvider } from '../CostInsightsPage/CostInsightsThemeProvider';
 import { EntityCostsCard } from './EntityCosts';
-import { TestApiProvider } from '@backstage/test-utils';
 import { CostInsightsApi, costInsightsApiRef } from '../../api';
 import { EntityProvider } from '@backstage/plugin-catalog-react';
 import { Entity } from '@backstage/catalog-model';

plugins/cost-insights/src/testUtils/providers.tsx

@@ -15,18 +15,23 @@
  */
 
 import React, { PropsWithChildren } from 'react';
-import { LoadingContext, LoadingContextProps } from '../hooks/useLoading';
-import { GroupsContext, GroupsContextProps } from '../hooks/useGroups';
-import { FilterContext, FilterContextProps } from '../hooks/useFilters';
-import { ConfigContext, ConfigContextProps } from '../hooks/useConfig';
-import { CurrencyContext, CurrencyContextProps } from '../hooks/useCurrency';
 import {
+  LoadingContext,
+  LoadingContextProps,
+  GroupsContext,
+  GroupsContextProps,
+  FilterContext,
+  FilterContextProps,
+  ConfigContext,
+  ConfigContextProps,
+  CurrencyContext,
+  CurrencyContextProps,
   BillingDateContext,
   BillingDateContextProps,
-} from '../hooks/useLastCompleteBillingDate';
-import { ScrollContext, ScrollContextProps } from '../hooks/useScroll';
+  ScrollContext,
+  ScrollContextProps,
+} from '../hooks';
 import { Group, Duration } from '../types';
-import { createPlugin, PluginProvider } from '@backstage/core-plugin-api';
 
 export const MockGroups: Group[] = [{ id: 'tech' }, { id: 'mock-group' }];
 
@@ -145,19 +150,6 @@ export const MockBillingDateProvider = ({
 
 export type MockScrollProviderProps = PropsWithChildren<{}>;
 
-export const MockPluginProvider = ({ children }: PropsWithChildren<{}>) => {
-  type TestInputPluginOptions = {};
-  type TestPluginOptions = {};
-  const plugin = createPlugin({
-    id: 'my-plugin',
-    __experimentalConfigure(_: TestInputPluginOptions): TestPluginOptions {
-      return {};
-    },
-  });
-
-  return <PluginProvider plugin={plugin}>{children}</PluginProvider>;
-};
-
 export const MockScrollProvider = ({ children }: MockScrollProviderProps) => {
   const defaultContext: ScrollContextProps = {
     scroll: null,