test(operators): fix missing provider on failing test

Author: btroncone

src/app/operators/specs/operators.spec.ts

@@ -10,6 +10,7 @@ import {
   groupOperatorsByType
 } from '../operators.component';
 import { OperatorDoc } from '../../../operator-docs';
+import { OperatorMenuService } from '../../core/services/operator-menu.service';
 
 const mockActivatedRoute = {
   snapshot: {},
@@ -41,6 +42,7 @@ describe('Operators', () => {
         imports: [RouterTestingModule, LayoutModule],
         declarations: [OperatorsComponent],
         providers: [
+          OperatorMenuService,
           { provide: OPERATORS_TOKEN, useValue: mockOperators },
           { provide: ActivatedRoute, useValue: mockActivatedRoute }
         ],