feat: Made additions to grades. Closes #4

src/app/admin-view/grades/attendence-summary/hour-display/hour-display.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HourDisplayComponent } from './hour-display.component';
+
+describe('HourDisplayComponent', () => {
+  let component: HourDisplayComponent;
+  let fixture: ComponentFixture<HourDisplayComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [HourDisplayComponent]
+    })
+    .compileComponents();
+    
+    fixture = TestBed.createComponent(HourDisplayComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});