[player] Add basic test for FloatingMarkingBarComponent

projects/player/src/app/components/floating-marking-bar/floating-marking-bar.component.spec.ts

+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { FloatingMarkingBarComponent } from './floating-marking-bar.component';
+import * as text_130 from '../../../../../../test-data/element-models/text_130.json';
+import { TextComponent } from 'common/components/ui-elements/text.component';
+import { OverlayModule } from '@angular/cdk/overlay';
+
+describe('FloatingMarkingBarComponent', () => {
+  let component: FloatingMarkingBarComponent;
+  let fixture: ComponentFixture<FloatingMarkingBarComponent>;
+  let textComponentFixture: ComponentFixture<TextComponent>;
+  let textComponent: TextComponent;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ FloatingMarkingBarComponent ],
+      imports: [ OverlayModule ]
+    })
+      .compileComponents();
+  });
+
+  beforeEach(() => {
+    textComponentFixture = TestBed.createComponent(TextComponent);
+    textComponent = textComponentFixture.componentInstance;
+    textComponent.elementModel = JSON.parse(JSON.stringify(text_130));
+
+    fixture = TestBed.createComponent(FloatingMarkingBarComponent);
+    component = fixture.componentInstance;
+    component.elementComponent = textComponent;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+
+  it('should set the internal elementModel to the TextComponent.elementModel  ', () => {
+    expect(component.elementModel).toEqual(textComponent.elementModel);
+  });
+
+});