Test log message arguments

spec/lib/gitlab/background_migration/populate_missing_vulnerability_dismissal_information_spec.rb

@@ -54,8 +54,12 @@ RSpec.describe Gitlab::BackgroundMigration::PopulateMissingVulnerabilityDismissa
     it 'writes log messages' do
       subject.perform(vulnerability_1.id, vulnerability_2.id)
 
-      expect(::Gitlab::BackgroundMigration::Logger).to have_received(:info)
-      expect(::Gitlab::BackgroundMigration::Logger).to have_received(:warn)
+      expect(::Gitlab::BackgroundMigration::Logger).to have_received(:info).with(migrator: described_class.name,
+                                                                                 message: 'Dismissal information has been copied',
+                                                                                 count: 2)
+      expect(::Gitlab::BackgroundMigration::Logger).to have_received(:warn).with(migrator: described_class.name,
+                                                                                 message: 'Could not update vulnerability!',
+                                                                                 vulnerability_id: vulnerability_2.id)
     end
   end
 end