Angular2 - comp unit testing - my first test

item-detail.spec.ts

import { ComponentFixture, TestBed, async } from '@angular/core/testing';
import { By } from '@angular/platform-browser';
import { DebugElement } from '@angular/core';

// Component Dependencies:
// items:
import {ItemDetailsComponent} from './Item-details.component';
import {ItemOverviewComponent} from './Item-overview/Item-overview.component';
import {ItemFullDataViewComponent} from './Item-full-data-view/Item-full-data-view.component';

// shared
import {SystemIconComponent} from '../../shared/components/system-icon/system-icon.component';
import {SeverityIndicatorComponent} from '../../shared/components/severity-indicator/severity-indicator.component';
import {CategoryComponent} from '../../shared/components/category/category.component';

// pipe dependencies:
import {TranslatePipe} from '../../shared/pipes/translate.pipe';
import {MapToKeyValuePipe} from '../../shared/pipes/maptokeyvalue.pipe';

// services:
import { NgRedux } from 'ng2-redux';
describe("Item details test", () => {
    let comp:       AlertDetailsComponent;
    let fixture:    ComponentFixture<AlertDetailsComponent>;
    let de:         DebugElement;
    let el:         HTMLElement;

    beforeEach(() => {
        TestBed.configureTestingModule({
            declarations: [ ItemDetailsComponent, 
                            ItemOverviewComponent, 
                            ItemFullDataViewComponent, 
                            ItemIndicatorComponent, 
                            SystemIconComponent, 
                            CategoryComponent, 
                            
                            TranslatePipe,
                            MapToKeyValuePipe ],
            providers: [NgRedux]
        });

        fixture = TestBed.createComponent(ItemDetailsComponent);
        comp = fixture.componentInstance;        
        el = fixture.nativeElement;
        de = fixture.debugElement;
    });

    it("should create component:", () => {
        expect(comp).toBeDefined();
    });

    it("Bottom border of header title should be color #4683ff", () => {
        expect(comp.bgColor).toBe('#4683ff');
    });
})