SQOOP-2371: Tests from *LobAvroImportTest might fail

(Jarek Jarcec Cecho via Abraham Elmahrek)
diff --git a/src/test/com/cloudera/sqoop/testutil/LobAvroImportTestCase.java b/src/test/com/cloudera/sqoop/testutil/LobAvroImportTestCase.java
index 3843f67..468673f 100644
--- a/src/test/com/cloudera/sqoop/testutil/LobAvroImportTestCase.java
+++ b/src/test/com/cloudera/sqoop/testutil/LobAvroImportTestCase.java
@@ -109,7 +109,7 @@
     args.add(getConnectString());
     args.add("--as-avrodatafile");
     args.add("--num-mappers");
-    args.add("2");
+    args.add("1");
 
     for (String arg : additionalArgs) {
       args.add(arg);