test-utils: review fixes

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/wet-seas-deliver.md

@@ -31,7 +31,7 @@ render(
 )
 ```
 
-In cases where the `ApiProvider` is used in a more standalone way, for example to reuse a set of APIs across multiple tests, the `TestApiRegistry` can be used instead. Note that the `TestApiRegistry` only has a single static factory method, `.with()`, and it is slightly different from the existing `.with()` method on `ApiRegistry`.
+In cases where the `ApiProvider` is used in a more standalone way, for example to reuse a set of APIs across multiple tests, the `TestApiRegistry` can be used instead. Note that the `TestApiRegistry` only has a single static factory method, `.from()`, and it is slightly different from the existing `.from()` method on `ApiRegistry` in that it doesn't require the API pairs to be wrapped in an outer array.
 
 Usage that looks like this:
 

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

@@ -16,9 +16,8 @@
 
 import React from 'react';
 import { createApiRef, useApiHolder } from '@backstage/core-plugin-api';
-import { TestApiProvider } from './TestApiProvider';
+import { TestApiProvider, TestApiRegistry } from './TestApiProvider';
 import { render, screen } from '@testing-library/react';
-import { TestApiRegistry } from '.';
 
 const xApiRef = createApiRef<{ a: string; b: number }>({
   id: 'x',

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

@@ -54,7 +54,7 @@ export class TestApiRegistry implements ApiHolder {
    *
    * @example
    * ```ts
-   * const apis = TestApiRegistry.with(
+   * const apis = TestApiRegistry.from(
    *   [configApiRef, new ConfigReader({})],
    *   [identityApiRef, { getUserId: () => 'tester' }],
    * );