question: kill the cluster after the test is done . concode_field_sep String expectedStderr concode_elem_sep MiniMRCluster mr concode_elem_sep String map concode_elem_sep String script concode_elem_sep JobConf conf concode_elem_sep String expectedOutput concode_elem_sep String input concode_elem_sep String expectedStatus concode_elem_sep String scriptFileName concode_elem_sep String INPUT_FILE concode_elem_sep String OUTPUT_DIR concode_elem_sep String reduce concode_elem_sep String TEST_ROOT_DIR concode_elem_sep String scriptFile concode_elem_sep FileSystem fs concode_field_sep void buildExpectedJobOutput concode_elem_sep void createInputAndScript concode_elem_sep void runStreamJob concode_elem_sep String[] genArgs concode_elem_sep void deleteOutDir concode_elem_sep void testReporting concode_elem_sep void clean concode_elem_sep void validateTaskStatus concode_elem_sep void testStreamJob concode_elem_sep void setUp concode_elem_sep void makeInput concode_elem_sep void validateJobOutput concode_elem_sep void validateTaskStderr concode_elem_sep void validateUserCounter
target: void function ( ) { if ( fs != null ) { clean ( fs ) ; } if ( mr != null ) { mr . shutdown ( ) ; } }