Replace method to ignore array result order

Use method expect_response_contain_exactly instead
of expect_paginated_array_response in specs
where the result is not expected to be ordered

ee/spec/requests/api/merge_requests_spec.rb

@@ -220,7 +220,7 @@ describe API::MergeRequests do
       it 'returns merge requests with given assignee ID' do
         get api('/merge_requests', user), params: { assignee_id: user2.id }
 
-        expect_paginated_array_response([merge_request2.id, merge_request.id])
+        expect_response_contain_exactly(merge_request2.id, merge_request.id)
       end
     end
 
@@ -237,7 +237,7 @@ describe API::MergeRequests do
         let(:approvers_param) { [merge_request_with_approver.approvers.first.user_id] }
 
         it 'returns an array of merge requests which have specified the user as an approver' do
-          expect_paginated_array_response([merge_request_with_approver.id])
+          expect_response_contain_exactly(merge_request_with_approver.id)
         end
       end
 
@@ -245,7 +245,7 @@ describe API::MergeRequests do
         let(:approvers_param) { 'None' }
 
         it 'returns an array of merge requests with no approvers' do
-          expect_paginated_array_response([merge_request.id])
+          expect_response_contain_exactly(merge_request.id)
         end
       end
 
@@ -253,7 +253,7 @@ describe API::MergeRequests do
         let(:approvers_param) { 'Any' }
 
         it 'returns an array of merge requests with any approver' do
-          expect_paginated_array_response([merge_request_with_approver.id])
+          expect_response_contain_exactly(merge_request_with_approver.id)
         end
       end
 
@@ -282,7 +282,7 @@ describe API::MergeRequests do
         let(:approvals_param) { [user2.id] }
 
         it 'returns an array of merge requests which have specified the user as an approver' do
-          expect_paginated_array_response([merge_request_with_approval.id])
+          expect_response_contain_exactly(merge_request_with_approval.id)
         end
       end
 
@@ -290,7 +290,7 @@ describe API::MergeRequests do
         let(:approvals_param) { 'None' }
 
         it 'returns an array of merge requests with no approvers' do
-          expect_paginated_array_response([merge_request.id])
+          expect_response_contain_exactly(merge_request.id)
         end
       end
 
@@ -298,7 +298,7 @@ describe API::MergeRequests do
         let(:approvals_param) { 'Any' }
 
         it 'returns an array of merge requests with any approver' do
-          expect_paginated_array_response([merge_request_with_approval.id])
+          expect_response_contain_exactly(merge_request_with_approval.id)
         end
       end
 

spec/support/helpers/api_helpers.rb

@@ -58,6 +58,13 @@ module ApiHelpers
     expect(json_response.map { |item| item['id'] }).to eq(Array(items))
   end
 
+  def expect_response_contain_exactly(*items)
+    expect(response).to have_gitlab_http_status(:ok)
+    expect(json_response).to be_an Array
+    expect(json_response.length).to eq(items.size)
+    expect(json_response.map { |item| item['id'] }).to contain_exactly(*items)
+  end
+
   def stub_last_activity_update
     allow_any_instance_of(Users::ActivityService).to receive(:execute)
   end