Modify project.yaml file to use ensure_tox_version, which will force the host to install tox3. Tox.ini also needed to be modified to ensure that tox does not upgrade itself to a version >= 4. Change-Id: I7862336f6338ebbd70ac8dc9fc0aeb3c4d506e11
Modify project.yaml file to use ensure_tox_version, which will force the host to install tox3. Tox.ini also needed to be modified to ensure that tox does not upgrade itself to a version >= 4. Change-Id: I7862336f6338ebbd70ac8dc9fc0aeb3c4d506e11