fix outputs

ee/app/workers/object_storage/migrate_uploads_worker.rb

@@ -99,6 +99,10 @@ module ObjectStorage
       def success?
         error.nil?
       end
+
+      def to_s
+        success? ? "Migration successful." : "Error while migrating #{upload.id}: #{error.message}"
+      end
     end
 
     module Report
@@ -124,13 +128,11 @@ module ObjectStorage
       end
 
       def header(success, failures)
-        color = failures.count == 0 ? :green : :red
-
-        "Migrated #{success.count}/#{success.count + failures.count} files.".color(color)
+        "Migrated #{success.count}/#{success.count + failures.count} files."
       end
 
       def failures(failures)
-        failures.map { |f| "\t#{f}".color(:red) }.join('\n')
+        failures.map { |f| "\t#{f}" }.join('\n')
       end
     end
 

spec/ee/spec/workers/object_storage/migrate_uploads_worker_spec.rb

@@ -78,7 +78,7 @@ describe ObjectStorage::MigrateUploadsWorker, :sidekiq do
     shared_examples 'outputs correctly' do |success: 0, failures: 0|
       total = success + failures
 
-      if success
+      if success > 0
         it 'outputs the reports' do
           expect(Rails.logger).to receive(:info).with(%r{Migrated #{success}/#{total} files})
 
@@ -86,7 +86,7 @@ describe ObjectStorage::MigrateUploadsWorker, :sidekiq do
         end
       end
 
-      if failures
+      if failures > 0
         it 'outputs upload failures' do
           expect(Rails.logger).to receive(:warn).with(/Error .* I am a teapot/)