message: specifying working directory for execute_process
diff: @@ -39,6 +39,7 @@ execute_process(
  COMMAND ${TEST_EXECUTOR} "${TEST_EXECUTABLE}" ${spec} --list-test-cases
  OUTPUT_VARIABLE output
  RESULT_VARIABLE result
  + WORKING_DIRECTORY "${TEST_WORKING_DIR}"
  )
  if(NOT ${result} EQUAL 0)
  message(FATAL_ERROR
  @@ -63,6 +64,7 @@ foreach(line ${output})
  COMMAND ${TEST_EXECUTOR} "${TEST_EXECUTABLE}" --test-case=${test} --list-test-suites
  OUTPUT_VARIABLE labeloutput
  RESULT_VARIABLE labelresult
  + WORKING_DIRECTORY "${TEST_WORKING_DIR}"
  )
  if(NOT ${labelresult} EQUAL 0)
  message(FATAL_ERROR
  