CE upstream

CE changes https://gitlab.com/gitlab-org/gitlab-ce/compare/d636efbe26ee51030bb108d889c2ef867570358a...0c36b810abede73b3cf59f951e7467dbac54ec98?expand_all_diffs=1

spec/services/git_push_service_spec.rb

@@ -538,9 +538,16 @@
     let(:housekeeping) { Projects::HousekeepingService.new(project) }
     before do
+      # Flush any raw Redis data stored by the housekeeping code.
+      Gitlab::Redis.with { |conn| conn.flushall }
+
       allow(Projects::HousekeepingService).to receive(:new).and_return(housekeeping)
     end
+    after do
+      Gitlab::Redis.with { |conn| conn.flushall }
+    end
+
     it 'does not perform housekeeping when not needed' do
       expect(housekeeping).not_to receive(:execute)