fix formatting

Author: twdsilva

sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCSuite.scala

@@ -23,6 +23,7 @@ import java.util.{Calendar, GregorianCalendar, Properties}
 
 import org.h2.jdbc.JdbcSQLException
 import org.scalatest.{BeforeAndAfter, PrivateMethodTester}
+
 import org.apache.spark.SparkException
 import org.apache.spark.sql.{AnalysisException, DataFrame, QueryTest, Row}
 import org.apache.spark.sql.catalyst.parser.CatalystSqlParser