test: remove most of the boilerplate tests

src-ui/src/app/services/toast.service.spec.ts

@@ -1,16 +0,0 @@
-import { TestBed } from '@angular/core/testing'
-
-import { ToastService } from './toast.service'
-
-describe('ToastService', () => {
-  let service: ToastService
-
-  beforeEach(() => {
-    TestBed.configureTestingModule({})
-    service = TestBed.inject(ToastService)
-  })
-
-  it('should be created', () => {
-    expect(service).toBeTruthy()
-  })
-})