fix eslint about missing new line

Author: samson-keung

packages/@aws-cdk/aws-redshift-alpha/test/integ.cluster-reboot.ts

@@ -119,4 +119,4 @@ describeEngineDefaultParams.expect(integ.ExpectedResult.objectLike({
     Match.objectLike({ ParameterName: 'statement_timeout', ParameterValue: '0' }),
     Match.objectLike({ ParameterName: 'wlm_json_configuration', ParameterValue: '[{"auto_wlm":true}]' }),
   ]),
-}));
+}));