add tests

spec/requests/api/labels_spec.rb

@@ -19,6 +19,8 @@ describe API::API, api: true  do
       project.update(group: group)
       create(:labeled_issue, project: project, labels: [group_label], author: user)
       create(:labeled_issue, project: project, labels: [label1], author: user, state: :closed)
+      create(:labeled_merge_request, labels: [priority_label], author: user, source_project: project )
+
       expected_keys = [
         'id', 'name', 'color', 'description',
         'open_issues_count', 'closed_issues_count', 'open_merge_requests_count',
@@ -39,17 +41,30 @@ describe API::API, api: true  do
 
       expect(label1_response['open_issues_count']).to eq(0)
       expect(label1_response['closed_issues_count']).to eq(1)
-      expect(group_label_response['open_issues_count']).to eq(1)
-      expect(group_label_response['closed_issues_count']).to eq(0)
-      expect(priority_label_response['open_issues_count']).to eq(0)
-      expect(priority_label_response['closed_issues_count']).to eq(0)
-
+      expect(label1_response['open_merge_requests_count']).to eq(0)
       expect(label1_response['name']).to eq(label1.name)
       expect(label1_response['color']).to be_present
       expect(label1_response['description']).to be_nil
-      expect(label1_response['open_merge_requests_count']).to eq(0)
       expect(label1_response['priority']).to be_nil
       expect(label1_response['subscribed']).to be_falsey
+
+      expect(group_label_response['open_issues_count']).to eq(1)
+      expect(group_label_response['closed_issues_count']).to eq(0)
+      expect(group_label_response['open_merge_requests_count']).to eq(0)
+      expect(group_label_response['name']).to eq(group_label.name)
+      expect(group_label_response['color']).to be_present
+      expect(group_label_response['description']).to be_nil
+      expect(group_label_response['priority']).to be_nil
+      expect(group_label_response['subscribed']).to be_falsey
+
+      expect(priority_label_response['open_issues_count']).to eq(0)
+      expect(priority_label_response['closed_issues_count']).to eq(0)
+      expect(priority_label_response['open_merge_requests_count']).to eq(1)
+      expect(priority_label_response['name']).to eq(priority_label.name)
+      expect(priority_label_response['color']).to be_present
+      expect(priority_label_response['description']).to be_nil
+      expect(priority_label_response['priority']).to eq(3)
+      expect(priority_label_response['subscribed']).to be_falsey
     end
   end