style(material/multiple): fix ci build fail issues

Author: nitinmalave

src/material/input/input.spec.ts

@@ -423,7 +423,8 @@ describe('MatInput without forms', () => {
     const fixture = createComponent(MatInputPlaceholderRequiredTestComponent);
     fixture.detectChanges();
 
-    const matFormFieldElement = fixture.debugElement.query(By.css('.mat-form-field-required-marker'))!.nativeElement;
+    const matFormFieldElement =
+        fixture.debugElement.query(By.css('.mat-form-field-required-marker'))!.nativeElement;
 
     expect(matFormFieldElement.getAttribute('aria-hidden')).toBe('true');
   }));

src/material/select/select.spec.ts

@@ -1741,7 +1741,8 @@ describe('MatSelect', () => {
       it('should emit to `optionSelectionChanges` after the list of options has changed',
         fakeAsync(() => {
           const spy = jasmine.createSpy('option selection spy');
-          const subscription = fixture.componentInstance.select.optionSelectionChanges.subscribe(spy);
+          const subscription =
+              fixture.componentInstance.select.optionSelectionChanges.subscribe(spy);
           const selectFirstOption = () => {
             trigger.click();
             fixture.detectChanges();

src/material/sidenav/drawer.spec.ts

@@ -886,7 +886,7 @@ describe('MatDrawerContainer', () => {
       tick();
       fixture.detectChanges();
 
-      const backdrop = root.querySelector('.mat-drawer-backdrop.mat-drawer-shown');
+      let backdrop = root.querySelector('.mat-drawer-backdrop.mat-drawer-shown');
 
       expect(backdrop).toBeFalsy();