Replace test-runner with vitest for storybook (#17187)

packages/twenty-ui/src/testing/index.ts

@@ -24,4 +24,3 @@ export { RecoilRootDecorator } from './decorators/RecoilRootDecorator';
 export { RouterDecorator } from './decorators/RouterDecorator';
 export { AVATAR_URL_MOCK } from './mocks/avatarUrlMock';
 export type { CatalogStory } from './types/CatalogStory';
-export { getCanvasElementForDropdownTesting } from './utils/getCanvasElementForDropdownTesting';

packages/twenty-ui/src/testing/utils/getCanvasElementForDropdownTesting.ts

@@ -1,14 +0,0 @@
-import { isDefined } from 'twenty-shared/utils';
-export const getCanvasElementForDropdownTesting = () => {
-  const canvasElement = document.getElementsByClassName(
-    'sb-show-main',
-  )[0] as HTMLElement | null;
-
-  if (!isDefined(canvasElement)) {
-    throw new Error(
-      `Canvas element not found for dropdown testing in storybook, verify that storybook still uses the class name "sb-show-main" for its body that displays stories.`,
-    );
-  }
-
-  return canvasElement;
-};