diff --git a/webui/src/app/app.component.spec.ts b/webui/src/app/app.component.spec.ts
index 8836204f4..75f4560b9 100644
--- a/webui/src/app/app.component.spec.ts
+++ b/webui/src/app/app.component.spec.ts
@@ -1,5 +1,6 @@
 import { async, TestBed } from '@angular/core/testing';
 import { AppComponent } from './app.component';
+import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
 
 describe('AppComponent', () => {
 
@@ -8,6 +9,9 @@ describe('AppComponent', () => {
       declarations: [
         AppComponent
       ],
+      schemas: [
+        CUSTOM_ELEMENTS_SCHEMA
+      ]
     }).compileComponents();
   }));
 
@@ -16,17 +20,5 @@ describe('AppComponent', () => {
     const app = fixture.debugElement.componentInstance;
     expect(app).toBeTruthy();
   }));
-
-  it(`should have as title 'app'`, async(() => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.debugElement.componentInstance;
-    expect(app.title).toEqual('app');
-  }));
-
-  it('should render title in a h1 tag', async(() => {
-    const fixture = TestBed.createComponent(AppComponent);
-    fixture.detectChanges();
-    const compiled = fixture.debugElement.nativeElement;
-    expect(compiled.querySelector('h1').textContent).toContain('Welcome to app!');
-  }));
+  
 });
diff --git a/webui/src/app/charts/bar-chart/bar-chart.component.spec.ts b/webui/src/app/charts/bar-chart/bar-chart.component.spec.ts
index c4d89509b..98d809215 100644
--- a/webui/src/app/charts/bar-chart/bar-chart.component.spec.ts
+++ b/webui/src/app/charts/bar-chart/bar-chart.component.spec.ts
@@ -1,6 +1,7 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { BarChartComponent } from './bar-chart.component';
+import { WindowService } from '../../services/window.service';
 
 describe('BarChartComponent', () => {
   let component: BarChartComponent;
@@ -8,7 +9,8 @@ describe('BarChartComponent', () => {
 
   beforeEach(async(() => {
     TestBed.configureTestingModule({
-      declarations: [ BarChartComponent ]
+      declarations: [ BarChartComponent ],
+      providers: [{provide: WindowService, useInstance: {}}]
     })
     .compileComponents();
   }));
@@ -16,10 +18,14 @@ describe('BarChartComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(BarChartComponent);
     component = fixture.componentInstance;
-    fixture.detectChanges();
   });
 
   it('should create', () => {
     expect(component).toBeTruthy();
   });
+
+  it('should initially go to loading state', () => {
+    expect(component.loading).toBeTruthy()
+  });
+
 });