* '''PYTEST_RERUNS''' - Number of times to rerun a failed test (used by pytest-rerunfailures). The default is '''2'''.
* '''PYTEST_TIMEOUT''' - Timeout (in seconds) for each test (used by pytest-timeout). The default is '''300''' (five minutes).
= B2G Slave Nodes =
* See https://wiki.mozilla.org/QA/Execution/Web_Testing/Automation/B2G_Nodes
= Upgrading =