Fix broken test to use trigger in order to not take tooltip overlaping in consideration

spec/features/merge_requests/mini_pipeline_graph_spec.rb

@@ -66,7 +66,7 @@ feature 'Mini Pipeline Graph', :js, :feature do
     end
     it 'should close when toggle is clicked again' do
-      toggle.click
+      toggle.trigger('click')
       expect(toggle.find(:xpath, '..')).not_to have_selector('.mini-pipeline-graph-dropdown-menu')
     end