[SPARK-4943][SQL] fix TestHive matching error

Author: alexoss68

sql/hive/src/main/scala/org/apache/spark/sql/hive/TestHive.scala

@@ -167,7 +167,7 @@ class TestHiveContext(sc: SparkContext) extends HiveContext(sc) {
       // Make sure any test tables referenced are loaded.
       val referencedTables =
         describedTables ++
-        logical.collect { case UnresolvedRelation(IndexedSeq(name, databaseName), _) => name }
+        logical.collect { case UnresolvedRelation(IndexedSeq(name, _ *), _) => name }
       val referencedTestTables = referencedTables.filter(testTables.contains)
       logDebug(s"Query references test tables: ${referencedTestTables.mkString(", ")}")
       referencedTestTables.foreach(loadTestTable)