Fix tests

features/steps/project/merge_requests.rb

@@ -194,13 +194,13 @@ class Spinach::Features::ProjectMergeRequests < Spinach::FeatureSteps
 
   step 'I click link "Hide inline discussion" of the second file' do
     within '.files [id^=diff]:nth-child(2)' do
-      click_link "Diff comments"
+      click_link 'Show/Hide comments'
     end
   end
 
   step 'I click link "Show inline discussion" of the second file' do
     within '.files [id^=diff]:nth-child(2)' do
-      click_link "Diff comments"
+      click_link 'Show/Hide comments'
     end
   end