[SPARK-10540] [SQL] Ignore HadoopFsRelationTest's "test all data types" if it is too flaky

If hadoopFsRelationSuites's "test all data types" is too flaky we can disable it for now.

https://issues.apache.org/jira/browse/SPARK-10540

Author: Yin Huai <yhuai@databricks.com>

Closes #8705 from yhuai/SPARK-10540-ignore.

sql/hive/src/test/scala/org/apache/spark/sql/sources/hadoopFsRelationSuites.scala

@@ -100,7 +100,7 @@ abstract class HadoopFsRelationTest extends QueryTest with SQLTestUtils with Tes
     }
   }
 
-  test("test all data types") {
+  ignore("test all data types") {
     withTempPath { file =>
       // Create the schema.
       val struct =