message: append user PYTHONPATH
diff: -
  -
  -
  add_test(NAME pygninacaffe COMMAND ${PYTHON_EXECUTABLE} -m pytest -rsv WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
  set_tests_properties(pygninacaffe PROPERTIES ENVIRONMENT
  - "PYTHONPATH=${CMAKE_SOURCE_DIR}/caffe/python:$PYTHONPATH")
  \ No newline at end of file
  + "PYTHONPATH=${CMAKE_SOURCE_DIR}/caffe/python:$ENV{PYTHONPATH}")
  