Function errorFor

packages/core/test/acceptance/create_component_spec.ts:2057–2059

(type: Type<unknown>)

      class AnInjectiable {}

      const errorFor = (type: Type<unknown>): string =>
        `NG0906: The ${stringifyForError(type)} is not an Angular component, ` +
        `make sure it has the \`@Component\` decorator.`;
      const hostElement = document.createElement('div');
      const environmentInjector = TestBed.inject(EnvironmentInjector);