test(grid): expose getting footer wrapper helper func

Author: Aleksandyr

projects/igniteui-angular/src/lib/grids/grid/column-hiding.spec.ts

@@ -3,12 +3,11 @@ import { DebugElement } from '@angular/core';
 import { async, TestBed, fakeAsync, tick } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
-import { IColumnVisibilityChangedEventArgs } from '../hiding/column-hiding-item.directive';
 import { IgxGridModule } from './public_api';
 import { IgxGridComponent } from './grid.component';
 import { IgxButtonModule } from '../../directives/button/button.directive';
 import { ColumnHidingTestComponent, ColumnGroupsHidingTestComponent } from '../../test-utils/grid-base-components.spec';
-import { UIInteractions, wait } from '../../test-utils/ui-interactions.spec';
+import { UIInteractions } from '../../test-utils/ui-interactions.spec';
 import { GridFunctions } from '../../test-utils/grid-functions.spec';
 import { SortingDirection } from '../../data-operations/sorting-expression.interface';
 import { configureTestSuite } from '../../test-utils/configure-suite';

projects/igniteui-angular/src/lib/grids/headers/grid-header.component.ts

@@ -31,6 +31,8 @@ import { IgxGridExcelStyleFilteringComponent } from '../filtering/excel-style/gr
     templateUrl: './grid-header.component.html'
 })
 export class IgxGridHeaderComponent implements DoCheck, OnDestroy {
+    @HostBinding('attr.role')
+    public hostRole = 'columnheader';
 
     private _destroy$ = new Subject<boolean>();
 

projects/igniteui-angular/src/lib/test-utils/grid-functions.spec.ts

@@ -124,6 +124,10 @@ export class GridFunctions {
         return gridBody.query(By.css(DISPLAY_CONTAINER));
     }
 
+    public static getGridFooterWrapper(fix): DebugElement {
+        return fix.debugElement.query(By.css(GRID_FOOTER_CLASS));
+    }
+
     public static getGridFooter(fix): DebugElement {
         return fix.debugElement.query(By.css(GRID_FOOTER_CLASS)).children[0];
     }