test(grid): Fix selection with paging tests #488

Author: zdrawku

Diff for: projects/igniteui-angular/src/lib/grid/grid-selection.spec.ts

@@ -221,8 +221,8 @@ describe('IgxGrid - Row Selection', () => {
 
     it('Should persist through paging', async(() => {
         const fix = TestBed.createComponent(GridWithPagingAndSelectionComponent);
-        fix.detectChanges();
         const grid = fix.componentInstance.gridSelection2;
+        fix.detectChanges();
         const gridElement: HTMLElement = fix.nativeElement.querySelector('.igx-grid');
         const nextBtn: HTMLElement = fix.nativeElement.querySelector('.nextPageBtn');
         const prevBtn: HTMLElement = fix.nativeElement.querySelector('.prevPageBtn');
@@ -1031,7 +1031,7 @@ export class GridWithPrimaryKeyComponent {
 
 @Component({
     template: `
-        <igx-grid #gridSelection2 [data]="data" [primaryKey]="'ID'"
+        <igx-grid #gridSelection2 [height]="'300px'" [data]="data" [primaryKey]="'ID'"
         [autoGenerate]="true" [rowSelectable]="true" [paging]="true" [perPage]="50">
         </igx-grid>
         <button class="prevPageBtn" (click)="ChangePage(-1)">Prev page</button>