
* ensure that the stage root exists for `spack stage -p <PATH>` * add test to verify `spack stage -p <PATH>` works! * move out shared tmp staging path setup to a fixture to fix the test
* ensure that the stage root exists for `spack stage -p <PATH>` * add test to verify `spack stage -p <PATH>` works! * move out shared tmp staging path setup to a fixture to fix the test