Function selectOptionViaUI

packages/forms/test/value_accessor_integration_spec.ts:529–534

(valueString: string)

      };

      const selectOptionViaUI = async (valueString: string): Promise<void> => {
        const select = fixture.debugElement.query(By.css('select'));
        select.nativeElement.value = valueString;
        dispatchEvent(select.nativeElement, 'change');
        await fixture.whenStable();
      };

      const assertOptionElementSelectedState = (selectedStates: boolean[]): void => {
        const options = fixture.debugElement.queryAll(By.css('option'));