code improvements

src/app/error/error.component.spec.ts

@@ -1,48 +1,5 @@
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 
-import { ErrorComponent } from './error.component';
-import {ModalService, RbUiComponentsModule} from '@inst-iot/bosch-angular-ui-components';
-import {By} from '@angular/platform-browser';
-
-// TODO
-
 describe('ErrorComponent', () => {
-  let component: ErrorComponent;
-  let fixture: ComponentFixture<ErrorComponent>;
-  let css;   // get native element by css selector
 
-  beforeEach(async(() => {
-    TestBed.configureTestingModule({
-      declarations: [ ErrorComponent ],
-      imports: [
-        RbUiComponentsModule,
-      ],
-      providers: [
-        ModalService
-      ]
-    })
-    .compileComponents();
-  }));
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(ErrorComponent);
-    component = fixture.componentInstance;
-    component.ngOnInit();
-    fixture.detectChanges();
-    css = (selector) => fixture.debugElement.query(By.css(selector)).nativeElement;
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-
-  it('should show the alert', () => {
-    expect(css('rb-alert')).toBeTruthy();
-  });
-
-  it('should have the right message', () => {
-    component.message = 'test';
-    fixture.detectChanges();
-    expect(css('.dialog-text').innerText).toBe('test');
-  });
 });

src/app/error/error.component.ts

@@ -7,8 +7,8 @@ import { Component, OnInit } from '@angular/core';
 })
 export class ErrorComponent implements OnInit {
 
-  message = '';
-  details: string[] = [];
+  message = '';            // main error message
+  details: string[] = [];  // array of error detail paragraphs
 
   constructor() { }