TAJO-294: Modify test method name with same method name
TAJO-294: Modify test method name with same method name

gruter/tajo-cdh,gruter/tajo-cdh,apache/incubator-tajo,yeeunshim/tajo_test,yeeunshim/tajo_test,hyunsik/incubator-tajo,hyunsik/incubator-tajo,apache/incubator-tajo,apache/incubator-tajo,yeeunshim/tajo_test,gruter/tajo-cdh,apache/incubator-tajo,hyunsik/incubator-tajo,yeeunshim/tajo_test,gruter/tajo-cdh,hyunsik/incubator-tajo