tests(progressBar): Fix tests for Circular and Linear Bars not clearing test bed.

projects/igniteui-angular/src/lib/progressbar/circularbar.component.spec.ts

@@ -26,6 +26,12 @@ describe('IgxCircularProgressBarComponent', () => {
         circularBar = fixture.debugElement.nativeElement;
     });
 
+    afterEach(() => {
+        // Remove elements manually from DOM, because CircularBar overrides the id the TestBed uses
+        fixture.elementRef.nativeElement.remove();
+        fixture.destroy();
+    });
+
     it('should initialize with default attributes', () => {
         expect(progress.cssClass).toBe('igx-circular-bar');
         expect(progress.textVisibility).toBe(true);

projects/igniteui-angular/src/lib/progressbar/linearbar.component.spec.ts

@@ -22,6 +22,12 @@ describe('IgxLinearProgressBarComponent', () => {
         linearBar = fixture.debugElement.nativeElement;
     });
 
+    afterEach(() => {
+        // Remove elements manually from DOM, because LinearBar overrides the id the TestBed uses
+        fixture.elementRef.nativeElement.remove();
+        fixture.destroy();
+    });
+
     it('should initialize with default attributes', () => {
         expect(progress.valueMin).toBe(0);
         expect(progress.cssClass).toBe('igx-linear-bar');