Fix expected error messages in specs

Update PO file

locale/gitlab.pot

@@ -15789,17 +15789,10 @@ msgstr ""
 msgid "Pull"
 msgstr ""
 
-<<<<<<< HEAD
-msgid "Puma is running with a thread count above 1 and the Rugged service is enabled. This may decrease performance in some environments. See our %{link_start}documentation%{link_end} for details of this issue."
-=======
 msgid "Pull requests from fork are not supported"
 msgstr ""
 
-msgid "Puma is running with a thread count above 1 and the rugged service is enabled. This may decrease performance in some environments. See our %{link_start}documentation%{link_end} for details of this issue."
-msgstr ""
-
-msgid "Puma is running with a thread count above 1. Information on deprecated GitLab features in this configuration is available in the %{link_start}documentation%{link_end}."
->>>>>>> Add internationalization support to error messages
+msgid "Puma is running with a thread count above 1 and the Rugged service is enabled. This may decrease performance in some environments. See our %{link_start}documentation%{link_end} for details of this issue."
 msgstr ""
 
 msgid "Purchase more minutes"

spec/services/clusters/update_service_spec.rb

@@ -86,7 +86,7 @@ describe Clusters::UpdateService do
         it 'rejects changes' do
           is_expected.to eq(false)
 
-          expect(cluster.errors.full_messages).to include('cannot modify during creation')
+          expect(cluster.errors.full_messages).to include('Cannot modify provider during creation')
         end
       end
     end

spec/support/shared_examples/requests/api/time_tracking_shared_examples.rb

@@ -109,7 +109,7 @@ RSpec.shared_examples 'time tracking endpoints' do |issuable_name|
         end
 
         expect(response).to have_gitlab_http_status(:bad_request)
-        expect(json_response['message']['time_spent'].first).to match(/exceeds the total time spent/)
+        expect(json_response['message']['base'].first).to eq(_('Time to subtract exceeds the total time spent'))
       end
     end
   end