test(avatar): fix failing tests

Author: simeonoff

projects/igniteui-angular/src/lib/avatar/avatar.component.spec.ts

@@ -14,7 +14,6 @@ describe('Avatar', () => {
     const baseClass = 'igx-avatar';
 
     const classes = {
-        default: `${baseClass}--default`,
         round: `${baseClass}--rounded`,
         small: `${baseClass}--small`,
         medium: `${baseClass}--medium`,
@@ -107,7 +106,6 @@ describe('Avatar', () => {
         expect(instance.icon).toBeUndefined();
 
         expect(hostEl.textContent).toEqual('TEST');
-        expect(hostEl.classList).toContain(classes.default);
     });
 
 

projects/igniteui-angular/src/lib/avatar/avatar.component.ts

@@ -320,8 +320,11 @@ export class IgxAvatarComponent implements OnInit, AfterViewInit {
      *@hidden
      */
     public ngAfterViewInit() {
-        this.elementRef.nativeElement.classList
-            .add(`igx-avatar--${this._size}`, `igx-avatar--${this.type}`);
+        if (this.type) {
+            this.elementRef.nativeElement.classList.add(`igx-avatar--${this.type}`);
+        }
+
+        this.elementRef.nativeElement.classList.add(`igx-avatar--${this._size}`);
     }
 
     /**