Updated two remaining tests for for message with class name

spec/services/projects/git_deduplication_service_spec.rb

@@ -139,7 +139,7 @@ RSpec.describe Projects::GitDeduplicationService do
         end
 
         it 'fails when a lease is already out' do
-          expect(service).to receive(:log_error).with('Cannot obtain an exclusive lease. There must be another instance already in execution.')
+		expect(service).to receive(:log_error).with("Cannot obtain an exclusive lease for #{service.class.name}. There must be another instance already in execution.")
 
           service.execute
         end

spec/workers/repository_remove_remote_worker_spec.rb

@@ -32,7 +32,7 @@ RSpec.describe RepositoryRemoveRemoteWorker do
 
         expect(subject)
           .to receive(:log_error)
-          .with('Cannot obtain an exclusive lease. There must be another instance already in execution.')
+		.with("Cannot obtain an exclusive lease for #{subject.class.name}. There must be another instance already in execution.")
 
         subject.perform(project.id, remote_name)
       end