run tests serially instead of parallel

Author: karangattu

pytest.ini

@@ -1,4 +1,4 @@
 [pytest]
 asyncio_mode=strict
 testpaths=tests/pytest/
-addopts = --strict-markers --durations=6 --durations-min=5.0 --browser webkit --browser firefox --browser chromium --numprocesses auto   --tracing=retain-on-failure --video=retain-on-failure
+addopts = --strict-markers --durations=6 --durations-min=5.0 --browser chromium --tracing=retain-on-failure --video=retain-on-failure