It will default to 0, which means testr will automatically set it based
on your CPU count. Allowing the user to set it with an environment
variable lets them control the resources used and more easily debug any
issues with tests impacting each other (by disabling concurrency).
Change-Id: Ib8274d307991ac3c25180609cb015894f0bf52b3
- Move all gate tests from functionaltests folder to the mistral/tests/functional
- Edit run directory for gate tests in the functionaltests/run_tests.sh
- Leave 'resources' folder in the 'mistral/tests' to use examples from it in the tempest tests
Change-Id: I4d6d6a653aab5af00c5cae7c21495f4a86ebfe42