ceph-volume: drop pytest-xdist usage

This is causing issues in ceph-volume unit tests (Still some details
not very clear so I can't explain for sure why for now).
Let's run the tests serially for now until I figure out what's wrong.

Signed-off-by: Guillaume Abrioux <gabrioux@ibm.com>
(cherry picked from commit bcf98031080162aa500b7a4796b69ffc66a560fe)

diff --git a/src/ceph-volume/tox.ini b/src/ceph-volume/tox.ini
index 696d6dcc837aa637b26106d0ce84827741c19d63..f7d294a9aadc9ded0528f0a672fe2916c5fb8ee3 100644 (file)
--- a/src/ceph-volume/tox.ini
+++ b/src/ceph-volume/tox.ini
@@ -11,7 +11,7 @@ deps=
 allowlist_externals=
   ./tox_install_command.sh
 install_command=./tox_install_command.sh {opts} {packages}
-commands=py.test --numprocesses=auto -vv {posargs:ceph_volume/tests} --ignore=ceph_volume/tests/functional
+commands=py.test -vv {posargs:ceph_volume/tests} --ignore=ceph_volume/tests/functional
 
 [testenv:py3-flake8]
 deps=flake8