Fix specs

spec/support/slash_commands_helpers.rb

@@ -3,7 +3,7 @@ module SlashCommandsHelpers
     Sidekiq::Testing.fake! do
       page.within('.js-main-target-form') do
         fill_in 'note[note]', with: text
-        find('.comment-btn').trigger('click')
+        find('.js-comment-submit-button').trigger('click')
       end
     end
   end

spec/support/time_tracking_shared_examples.rb

@@ -77,6 +77,6 @@ end
 
 def submit_time(slash_command)
   fill_in 'note[note]', with: slash_command
-  find('.comment-btn').trigger('click')
+  find('.js-comment-submit-button').trigger('click')
   wait_for_ajax
 end