question: tests use of qjm with the defined cluster . concode_field_sep Path TEST_PATH concode_elem_sep Path TEST_PATH_2 concode_elem_sep File baseDir concode_elem_sep MiniDFSCluster cluster concode_elem_sep Timeout timeout concode_elem_sep MiniJournalCluster mjc concode_elem_sep HdfsConfiguration baseConf concode_elem_sep HdfsConfiguration conf concode_elem_sep MiniKdc kdc concode_elem_sep FileSystem fs concode_field_sep void init concode_elem_sep void testSecureMode concode_elem_sep void restartNameNode concode_elem_sep void destroy concode_elem_sep void setup concode_elem_sep void testSecondaryNameNodeHttpAddressNotNeeded concode_elem_sep void shutdown concode_elem_sep void startCluster
target: void function ( ) { startCluster ( ) ; assertTrue ( fs . mkdirs ( TEST_PATH ) ) ; restartNameNode ( ) ; assertTrue ( fs . exists ( TEST_PATH ) ) ; assertTrue ( fs . mkdirs ( TEST_PATH_2 ) ) ; restartNameNode ( ) ; assertTrue ( fs . exists ( TEST_PATH ) ) ; assertTrue ( fs . exists ( TEST_PATH_2 ) ) ; }