fixed linter error

Author: scmacdon

kotlin/services/dynamodb/src/test/kotlin/DynamoDB.kt

@@ -109,7 +109,7 @@ class DynamoDB {
                 awards,
                 awardVal,
                 songTitle,
-                songTitleVal
+                songTitleVal,
             )
             logger.info("Test 3 passed")
         }