Fixed build issues

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

.changeset/yellow-forks-knock.md

@@ -1,5 +1,6 @@
 ---
 '@backstage/plugin-cost-insights': patch
+'@backstage/test-utils': patch
 ---
 
 Making a possibility to hide a trending line in a cost insights plugin

packages/test-utils/api-report.md

@@ -25,6 +25,7 @@ import { JsonObject } from '@backstage/types';
 import { JsonValue } from '@backstage/types';
 import { Observable } from '@backstage/types';
 import { PermissionApi } from '@backstage/plugin-permission-react';
+import { PropsWithChildren } from 'react';
 import { ReactElement } from 'react';
 import { ReactNode } from 'react';
 import { RenderOptions } from '@testing-library/react';
@@ -165,6 +166,11 @@ export class MockPermissionApi implements PermissionApi {
   ): Promise<EvaluatePermissionResponse>;
 }
 
+// @alpha
+export const MockPluginProvider: ({
+  children,
+}: PropsWithChildren<{}>) => JSX.Element;
+
 // @public
 export class MockStorageApi implements StorageApi {
   // (undocumented)

packages/test-utils/src/testUtils/providers.tsx

@@ -17,6 +17,10 @@
 import React, { PropsWithChildren } from 'react';
 import { createPlugin, PluginProvider } from '@backstage/core-plugin-api';
 
+/**
+ * Mock for PluginProvider to use in unit tests
+ * @alpha
+ */
 export const MockPluginProvider = ({ children }: PropsWithChildren<{}>) => {
   type TestInputPluginOptions = {};
   type TestPluginOptions = {};