test(module:carousel): remove invalid cases (#8860)

components/carousel/carousel.spec.ts

@@ -1,4 +1,4 @@
-import { BidiModule, Dir, Direction, Directionality } from '@angular/cdk/bidi';
+import { Directionality } from '@angular/cdk/bidi';
 import { ENTER, LEFT_ARROW, RIGHT_ARROW } from '@angular/cdk/keycodes';
 import { Component, DebugElement, ViewChild } from '@angular/core';
 import { ComponentFixture, discardPeriodicTasks, fakeAsync, TestBed, tick } from '@angular/core/testing';
@@ -476,20 +476,6 @@ export class NzTestCarouselBasicComponent {
   beforeChange = jasmine.createSpy('beforeChange callback');
 }
 
-@Component({
-  standalone: true,
-  imports: [BidiModule, NzTestCarouselBasicComponent],
-  template: `
-    <div [dir]="direction">
-      <nz-test-carousel></nz-test-carousel>
-    </div>
-  `
-})
-export class NzTestCarouselRtlComponent {
-  @ViewChild(Dir) dir!: Dir;
-  direction: Direction = 'rtl';
-}
-
 @Component({
   standalone: true,
   imports: [NzCarouselModule],
@@ -531,7 +517,6 @@ describe('carousel', () => {
     });
 
     TestBed.configureTestingModule({
-      imports: [NzCarouselModule],
       providers: [
         {
           provide: Directionality,
@@ -592,34 +577,4 @@ describe('carousel', () => {
     tick(101);
     expect(component.layout).toHaveBeenCalled();
   }));
-
-  it('should set correct index as active in ltr mode', () => {
-    component.dir = 'ltr';
-    component.carouselContents = [
-      {
-        isActive: false
-      },
-      {
-        isActive: false
-      }
-    ] as NzSafeAny;
-    component['markContentActive'](0);
-
-    expect((component.carouselContents as NzSafeAny)[0].isActive).toBeTruthy();
-  });
-
-  it('should set correct index as active in rtl mode', () => {
-    component.dir = 'rtl';
-    component.carouselContents = [
-      {
-        isActive: false
-      },
-      {
-        isActive: false
-      }
-    ] as NzSafeAny;
-    component['markContentActive'](0);
-
-    expect((component.carouselContents as NzSafeAny)[1].isActive).toBeTruthy();
-  });
 });