Additional diff cleanup

Author: ByzantineFailure

src/material-experimental/mdc-input/input.spec.ts

@@ -1080,7 +1080,7 @@ describe('MatMdcInput with forms', () => {
       expect(errorIds).toBeTruthy('errors should be shown');
       expect(describedBy).toBe(errorIds);
     }));
-    
+
     it('should set `aria-invalid` to true if the input is empty', fakeAsync(() => {
       // Submit the form since it's the one that triggers the default error state matcher.
       dispatchFakeEvent(fixture.nativeElement.querySelector('form'), 'submit');

src/material/input/input.spec.ts

@@ -1081,7 +1081,7 @@ describe('MatInput with forms', () => {
       expect(testComponent.formControl.untouched).toBe(true, 'Expected untouched form control');
       expect(containerEl.querySelectorAll('mat-error').length).toBe(0, 'Expected no error message');
       expect(inputEl.getAttribute('aria-invalid'))
-        .toBe("false", 'Expected aria-invalid to be set to "false".');
+        .toBe('false', 'Expected aria-invalid to be set to "false".');
     }));
 
     it('should display an error message when the input is touched and invalid', fakeAsync(() => {
@@ -1135,7 +1135,7 @@ describe('MatInput with forms', () => {
       expect(component.formGroup.invalid).toBe(true, 'Expected form control to be invalid');
       expect(containerEl.querySelectorAll('mat-error').length).toBe(0, 'Expected no error message');
       expect(inputEl.getAttribute('aria-invalid'))
-        .toBe("false", 'Expected aria-invalid to be set to "false".');
+        .toBe('false', 'Expected aria-invalid to be set to "false".');
       expect(component.formGroupDirective.submitted)
         .toBe(false, 'Expected form not to have been submitted');