Merge branch 'master' into dpetev/identifier-migrations

Author: Lipata

projects/igniteui-angular/src/lib/drop-down/drop-down.component.spec.ts

@@ -1526,7 +1526,7 @@ describe('IgxDropDown ', () => {
             await wait(200);
             firstItemElement = fixture.componentInstance.dropdownItems.first.element.nativeElement;
             lastItemElement = fixture.componentInstance.dropdownItems.last.element.nativeElement;
-            expect(firstItemElement.textContent.trim()).toEqual('Item 1989');
+            expect(firstItemElement.textContent.trim()).toEqual('Item 1990');
             expect(lastItemElement.textContent.trim()).toEqual('Item 2000');
         });
         it('Should properly handle keyboard navigation when virtualized', async(() => {
@@ -2215,7 +2215,7 @@ class GroupDropDownComponent {
     styles: [`
     .wrapping-div {
         overflow: hidden;
-        height: 420px;
+        height: 400px;
     }
     `]
 })
@@ -2235,8 +2235,8 @@ class VirtualizedDropDownComponent {
             id: i
         }));
     }
-    public itemsMaxHeight = 420;
-    public itemHeight = 42;
+    public itemsMaxHeight = 400;
+    public itemHeight = 40;
 }
 
 @Component({