chore(*): make async fakeasync

Author: HristoP96

projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid.selection.spec.ts

@@ -49,21 +49,21 @@ describe('IgxHierarchicalGrid selection #hGrid', () => {
             rowIsland2 = fix.componentInstance.rowIsland2;
         }));
 
-        it('should allow only one cell to be selected in the whole hierarchical grid.', (async () => {
+        it('should allow only one cell to be selected in the whole hierarchical grid.', fakeAsync(() => {
             hierarchicalGrid.height = '500px';
             hierarchicalGrid.reflow();
             fix.detectChanges();
 
             let firstRow = hierarchicalGrid.getRowByIndex(0) as IgxHierarchicalRowComponent;
             firstRow.toggle();
             fix.detectChanges();
+            tick(100);
             expect(firstRow.expanded).toBeTruthy();
 
             let fCell = firstRow.cells.toArray()[0];
 
             // select parent cell
             fCell.nativeElement.focus();
-            await wait(100);
             fix.detectChanges();
 
             expect(fCell.selected).toBeTruthy();
@@ -74,7 +74,6 @@ describe('IgxHierarchicalGrid selection #hGrid', () => {
 
             // select child cell
             fChildCell.nativeElement.focus();
-            await wait(100);
             fix.detectChanges();
 
             expect(fChildCell.selected).toBeTruthy();
@@ -84,11 +83,11 @@ describe('IgxHierarchicalGrid selection #hGrid', () => {
             firstRow = hierarchicalGrid.getRowByIndex(0) as IgxHierarchicalRowComponent;
             fCell = firstRow.cells.toArray()[0];
             fCell.nativeElement.focus();
-            await wait(100);
             fix.detectChanges();
             expect(fChildCell.selected).toBeFalsy();
             expect(fCell.selected).toBeTruthy();
         }));
+
     });
 
     describe('Row Selection', () => {
@@ -100,12 +99,12 @@ describe('IgxHierarchicalGrid selection #hGrid', () => {
             rowIsland2 = fix.componentInstance.rowIsland2;
         }));
 
-        it('should have checkboxes on each row', ( async() => {
+        it('should have checkboxes on each row', fakeAsync(() => {
             hierarchicalGrid.expandChildren = true;
-            await wait(100);
+            tick(100);
             fix.detectChanges();
             rowIsland1.expandChildren = true;
-            await wait(100);
+            tick(100);
             fix.detectChanges();
 
             expect(hierarchicalGrid.rowSelection).toEqual(GridSelectionMode.multiple);