Fix prometheus service frontend fixture

spec/javascripts/fixtures/prometheus_service.rb

@@ -11,14 +11,14 @@ describe Projects::ServicesController, '(JavaScript fixtures)', type: :controlle
   render_views
 
   before(:all) do
-    clean_frontend_fixtures('services/')
+    clean_frontend_fixtures('services/prometheus')
   end
 
   before(:each) do
     sign_in(admin)
   end
 
-  it 'services/prometheus_service.html.raw' do |example|
+  it 'services/prometheus/prometheus_service.html.raw' do |example|
     get :edit,
       namespace_id: namespace,
       project_id: project,

spec/javascripts/prometheus_metrics/prometheus_metrics_spec.js

@@ -3,7 +3,7 @@ import PANEL_STATE from '~/prometheus_metrics/constants';
 import { metrics, missingVarMetrics } from './mock_data';
 
 describe('PrometheusMetrics', () => {
-  const FIXTURE = 'services/prometheus_service.html.raw';
+  const FIXTURE = 'services/prometheus/prometheus_service.html.raw';
   preloadFixtures(FIXTURE);
 
   beforeEach(() => {