Use a block and move setup to example directly

app/graphql/resolvers/merge_requests_resolver.rb

@@ -19,7 +19,7 @@ module Resolvers
 
       args[:iids] ||= [args[:iid]].compact
 
-      args[:iids].map(&method(:batch_load))
+      args[:iids].map { |iid| batch_load(iid) }
         .select(&:itself) # .compact doesn't work on BatchLoader
     end
 

spec/requests/api/graphql/project/issues_spec.rb

@@ -75,11 +75,9 @@ describe 'getting an issue list for a project' do
     end
 
     context 'when the user can see confidential issues' do
-      before do
-        project.add_developer(current_user)
-      end
-
       it 'returns issues with confidential issues' do
+        project.add_developer(current_user)
+
         post_graphql(query, current_user: current_user)
 
         expect(issues_data.size).to eq(3)