spec fixes

spec/features/projects/wiki/user_updates_wiki_page_spec.rb

@@ -40,7 +40,7 @@ describe 'User updates wiki page' do
         expect(current_path).to include('one/two/three-test')
         expect(find('.wiki-pages')).to have_content('Three')
 
-        click_on('Three')
+        first(:link, text: 'Three').click
 
         expect(find('.nav-text')).to have_content('Three')
 

spec/features/projects/wiki/user_views_wiki_page_spec.rb

@@ -34,7 +34,7 @@ describe 'User views a wiki page' do
     it 'shows the history of a page that has a path', :js do
       expect(current_path).to include('one/two/three-test')
 
-      click_on('Three')
+      first(:link, text: 'Three').click
       click_on('Page history')
 
       expect(current_path).to include('one/two/three-test')
@@ -48,7 +48,7 @@ describe 'User views a wiki page' do
       expect(current_path).to include('one/two/three-test')
       expect(find('.wiki-pages')).to have_content('Three')
 
-      click_on('Three')
+      first(:link, text: 'Three').click
 
       expect(find('.nav-text')).to have_content('Three')