Merge branch '222249-broken-test-in-spec-features-groups-members-leave_group_spec-rb' into 'master'

Fix flaky leave_group_spec.rb if network is slow

Closes #222249

See merge request gitlab-org/gitlab!34488

spec/features/groups/members/leave_group_spec.rb

@@ -31,6 +31,7 @@ describe 'Groups > Members > Leave group' do
 
     page.accept_confirm
 
+    wait_for_all_requests
     expect(current_path).to eq(dashboard_groups_path)
     expect(group.users).not_to include(user)
   end