fixup! build: enforce consistent readonly array type

Author: rafaelss95

src/cdk-experimental/popover-edit/popover-edit.spec.ts

@@ -5,7 +5,7 @@ import {OverlayContainer} from '@angular/cdk/overlay';
 import {CdkTableModule} from '@angular/cdk/table';
 import {dispatchKeyboardEvent} from '@angular/cdk/testing/private';
 import {CommonModule} from '@angular/common';
-import {Component, Directive, ElementRef, Type, ViewChild} from '@angular/core';
+import {Component, Directive, ElementRef, ViewChild} from '@angular/core';
 import {ComponentFixture, fakeAsync, flush, inject, TestBed, tick} from '@angular/core/testing';
 import {FormsModule, NgForm} from '@angular/forms';
 import {BehaviorSubject} from 'rxjs';

src/material-experimental/popover-edit/popover-edit.spec.ts

@@ -9,7 +9,7 @@ import {DOWN_ARROW, LEFT_ARROW, RIGHT_ARROW, TAB, UP_ARROW} from '@angular/cdk/k
 import {OverlayContainer} from '@angular/cdk/overlay';
 import {dispatchKeyboardEvent} from '@angular/cdk/testing/private';
 import {CommonModule} from '@angular/common';
-import {Component, Directive, ElementRef, Type, ViewChild} from '@angular/core';
+import {Component, Directive, ElementRef, ViewChild} from '@angular/core';
 import {ComponentFixture, fakeAsync, flush, inject, TestBed, tick} from '@angular/core/testing';
 import {FormsModule, NgForm} from '@angular/forms';
 import {MatTableModule} from '@angular/material/table';