fix: fix prettier error

Author: RohitRajendran

test/helpers/files.spec.ts

@@ -238,7 +238,7 @@ describe('getSourceFileForPage', () => {
     expect(filePath.replace(TEST_DIR, '')).toBe('/fixtures/page-extensions/custom/pages/api/custom.api.js')
   })
 
-  it("handles getting file when index of folder", () => {
+  it('handles getting file when index of folder', () => {
     const pagesDir = resolve(__dirname, '../fixtures/page-extensions/index/pages')
     const apiRoute = '/api/index'