Add matcher for emoji

spec/features/admin/admin_broadcast_messages_spec.rb

@@ -45,7 +45,7 @@ feature 'Admin Broadcast Messages' do
 
     page.within('.broadcast-message-preview') do
       expect(page).to have_selector('strong', text: 'Markdown')
-      expect(page).to have_selector('gl-emoji[data-name="tada"]')
+      expect(page).to have_emoji('tada')
     end
   end
 end

spec/features/groups/show_spec.rb

@@ -98,7 +98,7 @@ feature 'Group show page' do
 
     it 'shows the project info' do
       expect(page).to have_content(project.title)
-      expect(page).to have_selector('gl-emoji[data-name="smile"]')
+      expect(page).to have_emoji('smile')
     end
   end
 end

spec/features/projects/awards/user_interacts_with_awards_in_issue_spec.rb

@@ -99,7 +99,7 @@ describe 'User interacts with awards in an issue', :js do
       click_button('Comment')
     end
 
-    expect(page).to have_selector('gl-emoji[data-name="smile"]')
+    expect(page).to have_emoji('smile')
   end
 
   context 'when a project is archived' do
@@ -118,7 +118,7 @@ describe 'User interacts with awards in an issue', :js do
 
     it 'shows the award on the note' do
       page.within('.note-awards') do
-        expect(page).to have_selector('gl-emoji[data-name="100"]')
+        expect(page).to have_emoji('100')
       end
     end
 
@@ -141,7 +141,7 @@ describe 'User interacts with awards in an issue', :js do
       wait_for_requests
 
       page.within('.note-awards') do
-        expect(page).to have_selector('gl-emoji[data-name="8ball"]')
+        expect(page).to have_emoji('8ball')
       end
       expect(note.reload.award_emoji.size).to eq(2)
     end

spec/support/matchers/have_emoji.rb

+RSpec::Matchers.define :have_emoji do |emoji_name|
+  match do |actual|
+    expect(actual).to have_selector("gl-emoji[data-name='#{emoji_name}']")
+  end
+end