question: cleans up the request service , run this after all tests are complete after the test suite concode_field_sep String requestId concode_elem_sep DSpaceKernel kernel concode_elem_sep RequestService requestService concode_elem_sep DSpaceKernelImpl kernelImpl concode_field_sep DSpaceKernel getKernel concode_elem_sep ServiceManager getServiceManager concode_elem_sep RequestService getRequestService concode_elem_sep void _startRequest concode_elem_sep void _initializeRequestService concode_elem_sep void _destroyKernel concode_elem_sep void _initializeKernel concode_elem_sep T getService concode_elem_sep void _endRequest
target: void function ( ) { requestService = null ; }