Move CoverageReports#index N+1 spec to controller file

ee/spec/controllers/groups/analytics/coverage_reports_controller_spec.rb

@@ -110,6 +110,20 @@ RSpec.describe Groups::Analytics::CoverageReportsController do
         end
       end
 
+      it 'executes the same number of queries regardless of the number of records returned' do
+        control = ActiveRecord::QueryRecorder.new do
+          get :index, params: valid_request_params
+        end
+
+        expect(CSV.parse(response.body).length).to eq(3)
+
+        create_daily_coverage('rspec', project, 79.0, '2020-03-10')
+
+        expect { get :index, params: valid_request_params }.not_to exceed_query_limit(control)
+
+        expect(csv_response.length).to eq(4)
+      end
+
       context 'with an invalid format' do
         it 'responds 404' do
           get :index, params: valid_request_params.merge(format: :json)

ee/spec/finders/ci/daily_build_group_report_results_by_group_finder_spec.rb

@@ -99,17 +99,6 @@ RSpec.describe Ci::DailyBuildGroupReportResultsByGroupFinder do
           expect(subject).to match_array([rspec_project_coverage, karma_project_coverage, generic_coverage])
         end
       end
-
-      context 'when accessing projects from the result' do
-        it 'executes the same number of queries regardless of the number of records returned' do
-          control = ActiveRecord::QueryRecorder.new do
-            described_class.new(attributes.merge(limit: 1)).execute.map(&:project)
-          end
-
-          expect { subject.map(&:project) }.not_to exceed_query_limit(control)
-          expect(subject).to match_array([rspec_project_coverage, karma_project_coverage, generic_coverage])
-        end
-      end
     end
 
     context 'without permmissions' do