Function createFixture

src/material/stepper/stepper.spec.ts:1319–1328

(showErrorByDefault: boolean | undefined)

    let stepper: MatStepper;

    function createFixture(showErrorByDefault: boolean | undefined) {
      fixture = createComponent(MatHorizontalStepperWithErrorsApp, [
        {
          provide: STEPPER_GLOBAL_OPTIONS,
          useValue: {showError: showErrorByDefault},
        },
      ]);
      fixture.detectChanges();
      stepper = fixture.debugElement.query(By.css('mat-stepper'))!.componentInstance;
    }

    it('should show error state', () => {
      createFixture(true);