Fixup for HoundCI.

spec/requests/api/repositories_spec.rb

@@ -33,7 +33,7 @@ describe API::API, api: true  do
       json_response.first['name'].should == 'v1.0.0'
       json_response['commit']['id'].should == '621491c677087aa243f165eab467bfdfbee00be1'
     end
-    it "should deny for user without push access" do
+    it 'should deny for user without push access' do
       post api("/projects/#{project.id}/repository/tags", user2),
         tag_name: 'v1.0.0',
         ref: '621491c677087aa243f165eab467bfdfbee00be1'