message: docs: use TS Parameter properties in SkipSelf example
  PR Close
diff: @@ -103,9 +103,7 @@ import {ComponentFixture, TestBed} from '@angular/core/testing';
  @Injectable()
  class NeedsDependency {
  - constructor(@SkipSelf() public dependency: Dependency) {
  - this.dependency = dependency;
  - }
  + constructor(@SkipSelf() public dependency: Dependency) {}
  }
  const parent = Injector.create({providers: [{provide: Dependency, deps: []}]});
  