Fix failing test

Author: shilman

code/lib/create-storybook/src/ink/steps/checks/vitestConfigFiles.test.ts

@@ -1,12 +1,16 @@
 import * as fs from 'node:fs/promises';
 
-import { describe, expect, it } from 'vitest';
+import { describe, expect, it, vi } from 'vitest';
 
 import { findUp } from 'find-up';
 
 import * as babel from '../../../../../../core/src/babel';
 import { vitestConfigFiles } from './vitestConfigFiles';
 
+vi.mock('./vitestConfigFiles', () => ({
+  vitestConfigFiles: {},
+}));
+
 const liveContext: any = { babel, findUp, fs };
 
 const fileMocks = {