chore(*): fixing more tests

Author: kdinev

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

@@ -20,8 +20,6 @@ describe('IgxCircularProgressBarComponent', () => {
 
         fixture = TestBed.createComponent(IgxCircularProgressBarComponent);
         progress = fixture.componentInstance;
-        // For test fixture destroy
-        progress.id = "root1";
         fixture.detectChanges();
         circularBar = fixture.debugElement.nativeElement;
     });

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

@@ -16,8 +16,6 @@ describe('IgxLinearProgressBarComponent', () => {
     beforeEach(() => {
         fixture = TestBed.createComponent(IgxLinearProgressBarComponent);
         progress = fixture.componentInstance;
-        // For test fixture destroy
-        progress.id = "root1";
         fixture.detectChanges();
         linearBar = fixture.debugElement.nativeElement;
     });

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

@@ -928,6 +928,14 @@ describe('Stepper service unit tests', () => {
     let steps: IgxStepComponent[] = [];
     let stepper: IgxStepperComponent;
 
+    beforeAll(() => {
+        jasmine.getEnv().allowRespy(true);
+    });
+
+    afterAll(() => {
+        jasmine.getEnv().allowRespy(false);
+    });
+
     beforeEach(() => {
         mockElement = {
             style: { visibility: '', cursor: '', transitionDuration: '' },

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

@@ -37,8 +37,6 @@ describe('IgxToast', () => {
     beforeEach(() => {
         fixture = TestBed.createComponent(IgxToastComponent);
         toast = fixture.componentInstance;
-        // For test fixture destroy
-        toast.id = "root1";
         fixture.detectChanges();
     });
 

projects/igniteui-angular/src/lib/tree/tree.spec.ts

@@ -24,6 +24,15 @@ describe('IgxTree #treeView', () => {
         let mockNodes: QueryList<IgxTreeNodeComponent<any>>;
         let mockNodesArray: IgxTreeNodeComponent<any>[] = [];
         let tree: IgxTreeComponent = null;
+
+        beforeAll(() => {
+            jasmine.getEnv().allowRespy(true);
+        });
+
+        afterAll(() => {
+            jasmine.getEnv().allowRespy(false);
+        });
+
         beforeEach(() => {
             mockNodesArray = [];
             mockNavService = jasmine.createSpyObj('navService',