Eliminate double subject call in admin/ controller specs (#28158)

spec/controllers/admin/custom_emojis_controller_spec.rb

@@ -12,24 +12,24 @@ describe Admin::CustomEmojisController do
   end
 
   describe 'GET #index' do
-    subject { get :index }
-
     before do
       Fabricate(:custom_emoji)
     end
 
     it 'renders index page' do
-      expect(subject).to have_http_status 200
-      expect(subject).to render_template :index
+      get :index
+
+      expect(response).to have_http_status 200
+      expect(response).to render_template :index
     end
   end
 
   describe 'GET #new' do
-    subject { get :new }
-
     it 'renders new page' do
-      expect(subject).to have_http_status 200
-      expect(subject).to render_template :new
+      get :new
+
+      expect(response).to have_http_status 200
+      expect(response).to render_template :new
     end
   end