diff --git a/helpers/mysql/test/helpers/mysql_test.rb b/helpers/mysql/test/helpers/mysql_test.rb
index 05f9f003a..b6c8a5db8 100644
--- a/helpers/mysql/test/helpers/mysql_test.rb
+++ b/helpers/mysql/test/helpers/mysql_test.rb
@@ -62,7 +62,7 @@
 
     describe 'when operation and database_name are present' do
       it 'returns a combination of the operation and database_name' do
-        assert_equal(db_operation_and_name, "operation database_name")
+        assert_equal(db_operation_and_name, 'operation database_name')
       end
     end