fix test

Author: marmbrus

sql/core/src/test/scala/org/apache/spark/sql/json/JsonSuite.scala

@@ -555,7 +555,7 @@ class JsonSuite extends QueryTest {
         |CREATE TEMPORARY TABLE jsonTableSQL
         |USING org.apache.spark.sql.json
         |OPTIONS (
-        |  fileName '$path'
+        |  path '$path'
         |)
       """.stripMargin)