Make a test assertion more reliable

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/requests/api/members_spec.rb

@@ -151,9 +151,15 @@ describe API::Members do
       expect(response).to have_gitlab_http_status(200)
       expect(response).to include_pagination_headers
       expect(json_response).to be_an Array
-      expect(json_response.map { |u| u['id'] }).to eq [developer.id, maintainer.id, nested_user.id, project_user.id, linked_group_user.id]
-      expect(json_response.map { |u| u['access_level'] }).to eq [Gitlab::Access::DEVELOPER, Gitlab::Access::OWNER, Gitlab::Access::DEVELOPER,
-                                                                 Gitlab::Access::DEVELOPER, Gitlab::Access::DEVELOPER]
+
+      expected_users_and_access_levels = [
+        [developer.id, Gitlab::Access::DEVELOPER],
+        [maintainer.id, Gitlab::Access::OWNER],
+        [nested_user.id, Gitlab::Access::DEVELOPER],
+        [project_user.id, Gitlab::Access::DEVELOPER],
+        [linked_group_user.id, Gitlab::Access::DEVELOPER]
+      ]
+      expect(json_response.map { |u| [u['id'], u['access_level']] }).to match_array(expected_users_and_access_levels)
     end
 
     it 'finds all group members including inherited members' do