fix unit test

Author: christian-bromann

test/utils.test.ts

@@ -4,6 +4,8 @@ import { describe, expect, it, vi } from 'vitest'
 
 import { createStencilConfigFile, getCompilerOptions, getRootDir, injectStencilImports } from '../src/utils'
 
+const __dirname = path.dirname(new URL(import.meta.url).pathname)
+
 vi.mock('node:fs/promises', () => ({
   default: {
     mkdir: vi.fn(),
@@ -82,7 +84,7 @@ describe('createStencilConfigFile', () => {
   it('should create a config file', async () => {
     const options = { rootPath: '/test' }
     const configPath = await createStencilConfigFile(options)
-    expect(configPath).toBe(path.resolve('test', '.stencil', 'test.stencil.config.ts'))
+    expect(configPath).toBe(path.resolve(path.join(path.sep, 'test', '.stencil', 'test.stencil.config.ts')))
     expect(fs.mkdir).toHaveBeenCalledWith('/test/.stencil', { recursive: true })
     expect(fs.writeFile).toHaveBeenCalledWith(configPath, [
       'import type { Config } from \'@stencil/core\'\n',