Todd Gamblin 40af955b94 env: prevent any active environments from interfering with tests ... - ensure that `SPACK_ENV` is unset before tests - ensure that `spack.environment.active` is deactivated if set		2018-11-09 00:31:24 -08:00
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spack	env: prevent any active environments from interfering with tests	2018-11-09 00:31:24 -08:00