test(material/tabs): clean up unnecessary imports in tests

Removes imports from tests that aren't necessary anymore, because we're using standalone.

Author: crisbeto

src/material/tabs/tab-body.spec.ts

@@ -15,17 +15,14 @@ import {
 import {ComponentFixture, TestBed, waitForAsync} from '@angular/core/testing';
 import {By} from '@angular/platform-browser';
 import {MatRippleModule} from '../core';
-import {MatTabBody, MatTabBodyPortal} from './tab-body';
+import {MatTabBody} from './tab-body';
 
 describe('MatTabBody', () => {
   let dir: WritableSignal<Direction>;
 
   beforeEach(waitForAsync(() => {
     dir = signal('ltr');
-    TestBed.configureTestingModule({
-      imports: [PortalModule, MatRippleModule, MatTabBody, MatTabBodyPortal, SimpleTabBodyApp],
-      providers: [provideFakeDirectionality(dir)],
-    });
+    TestBed.configureTestingModule({providers: [provideFakeDirectionality(dir)]});
   }));
 
   it('should be center position if origin is unchanged', () => {

src/material/tabs/tab-group.spec.ts

@@ -25,23 +25,6 @@ import {MATERIAL_ANIMATIONS} from '../core';
 describe('MatTabGroup', () => {
   beforeEach(fakeAsync(() => {
     TestBed.configureTestingModule({
-      imports: [
-        MatTabsModule,
-        SimpleTabsTestApp,
-        SimpleDynamicTabsTestApp,
-        BindedTabsTestApp,
-        AsyncTabsTestApp,
-        DisabledTabsTestApp,
-        TabGroupWithSimpleApi,
-        TemplateTabs,
-        TabGroupWithAriaInputs,
-        TabGroupWithIsActiveBinding,
-        NestedTabs,
-        TabGroupWithIndirectDescendantTabs,
-        TabGroupWithSpaceAbove,
-        NestedTabGroupWithLabel,
-        TabsWithClassesTestApp,
-      ],
       providers: [{provide: MATERIAL_ANIMATIONS, useValue: {animationsDisabled: true}}],
     });
   }));
@@ -1057,12 +1040,6 @@ describe('MatTabGroup', () => {
 });
 
 describe('nested MatTabGroup with enabled animations', () => {
-  beforeEach(fakeAsync(() => {
-    TestBed.configureTestingModule({
-      imports: [MatTabsModule, NestedTabs, TabsWithCustomAnimationDuration],
-    });
-  }));
-
   it('should not throw when creating a component with nested tab groups', fakeAsync(() => {
     expect(() => {
       let fixture = TestBed.createComponent(NestedTabs);
@@ -1092,12 +1069,6 @@ describe('nested MatTabGroup with enabled animations', () => {
 describe('MatTabGroup with ink bar fit to content', () => {
   let fixture: ComponentFixture<TabGroupWithInkBarFitToContent>;
 
-  beforeEach(fakeAsync(() => {
-    TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabGroupWithInkBarFitToContent],
-    });
-  }));
-
   beforeEach(() => {
     fixture = TestBed.createComponent(TabGroupWithInkBarFitToContent);
     fixture.detectChanges();
@@ -1136,7 +1107,6 @@ describe('MatTabNavBar with a default config', () => {
 
   beforeEach(fakeAsync(() => {
     TestBed.configureTestingModule({
-      imports: [MatTabsModule, SimpleTabsTestApp],
       providers: [
         {
           provide: MAT_TABS_CONFIG,
@@ -1167,7 +1137,6 @@ describe('MatTabNavBar with a default config', () => {
 describe('MatTabGroup labels aligned with a config', () => {
   it('should work with start align', () => {
     const fixture = TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabsWithAlignConfig],
       providers: [
         {
           provide: MAT_TABS_CONFIG,
@@ -1183,7 +1152,6 @@ describe('MatTabGroup labels aligned with a config', () => {
 
   it('should work with center align', () => {
     const fixture = TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabsWithAlignConfig],
       providers: [
         {
           provide: MAT_TABS_CONFIG,
@@ -1199,7 +1167,6 @@ describe('MatTabGroup labels aligned with a config', () => {
 
   it('should work with end align', () => {
     const fixture = TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabsWithAlignConfig],
       providers: [
         {
           provide: MAT_TABS_CONFIG,
@@ -1214,9 +1181,7 @@ describe('MatTabGroup labels aligned with a config', () => {
   });
 
   it('should not add align if default config doesnt set align', () => {
-    const fixture = TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabsWithAlignConfig],
-    }).createComponent(TabsWithAlignConfig);
+    const fixture = TestBed.createComponent(TabsWithAlignConfig);
     fixture.detectChanges();
 
     let tabElement = fixture.nativeElement.querySelector('[mat-align-tabs="start"]');
@@ -1234,7 +1199,6 @@ describe('MatTabGroup labels aligned with a config', () => {
 
   it('should not break if config sets align on already aligned tabs', () => {
     const fixture = TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabsWithAlignCenter],
       providers: [{provide: MAT_TABS_CONFIG, useValue: {alignTabs: 'end'}}],
     }).createComponent(TabsWithAlignCenter);
     fixture.detectChanges();

src/material/tabs/tab-header.spec.ts

@@ -1,9 +1,7 @@
 import {Dir, Direction} from '@angular/cdk/bidi';
 import {END, ENTER, HOME, LEFT_ARROW, RIGHT_ARROW, SPACE} from '@angular/cdk/keycodes';
-import {MutationObserverFactory, ObserversModule} from '@angular/cdk/observers';
+import {MutationObserverFactory} from '@angular/cdk/observers';
 import {SharedResizeObserver} from '@angular/cdk/observers/private';
-import {PortalModule} from '@angular/cdk/portal';
-import {ScrollingModule, ViewportRuler} from '@angular/cdk/scrolling';
 import {
   createKeyboardEvent,
   createMouseEvent,
@@ -22,7 +20,6 @@ import {
   tick,
   waitForAsync,
 } from '@angular/core/testing';
-import {MatRippleModule} from '../core';
 import {By} from '@angular/platform-browser';
 import {Subject} from 'rxjs';
 import {MatTabHeader} from './tab-header';
@@ -34,19 +31,6 @@ describe('MatTabHeader', () => {
   let resizeEvents: Subject<ResizeObserverEntry[]>;
 
   beforeEach(waitForAsync(() => {
-    TestBed.configureTestingModule({
-      imports: [
-        PortalModule,
-        MatRippleModule,
-        ScrollingModule,
-        ObserversModule,
-        MatTabHeader,
-        MatTabLabelWrapper,
-        SimpleTabHeaderApp,
-      ],
-      providers: [ViewportRuler],
-    });
-
     resizeEvents = new Subject();
     spyOn(TestBed.inject(SharedResizeObserver), 'observe').and.returnValue(resizeEvents);
   }));

src/material/tabs/tab-nav-bar/tab-nav-bar.spec.ts

@@ -26,12 +26,6 @@ describe('MatTabNavBar', () => {
     dir = signal('ltr');
 
     TestBed.configureTestingModule({
-      imports: [
-        MatTabsModule,
-        SimpleTabNavBarTestApp,
-        TabLinkWithNgIf,
-        TabBarWithInactiveTabsOnInit,
-      ],
       providers: [
         {provide: MAT_RIPPLE_GLOBAL_OPTIONS, useFactory: () => globalRippleOptions},
         provideFakeDirectionality(dir),
@@ -503,7 +497,6 @@ describe('MatTabNavBar with a default config', () => {
 
   beforeEach(fakeAsync(() => {
     TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabLinkWithNgIf],
       providers: [{provide: MAT_TABS_CONFIG, useValue: {fitInkBarToContent: true}}],
     });
   }));
@@ -523,12 +516,6 @@ describe('MatTabNavBar with a default config', () => {
 });
 
 describe('MatTabNavBar with enabled animations', () => {
-  beforeEach(fakeAsync(() => {
-    TestBed.configureTestingModule({
-      imports: [MatTabsModule, TabsWithCustomAnimationDuration],
-    });
-  }));
-
   it('should not throw when setting an animationDuration without units', fakeAsync(() => {
     expect(() => {
       let fixture = TestBed.createComponent(TabsWithCustomAnimationDuration);