Remove parallel testing during build

Author: Florijan Stamenković

.github/workflows/python-package.yml

@@ -58,7 +58,7 @@ jobs:
         mypy -p labelbox --pretty --show-error-codes
     - name: Install package and test dependencies
       run: |
-        pip install tox==3.18.1 tox-gh-actions==1.3.0 pytest-parallel==0.1.0
+        pip install tox==3.18.1
 
     # TODO: replace tox.ini with what the Makefile does
     # to make sure local testing is
@@ -73,4 +73,4 @@ jobs:
         # randall+staging-python@labelbox.com
         LABELBOX_TEST_API_KEY_STAGING: ${{ secrets.STAGING_LABELBOX_API_KEY }}
       run: |
-        pytest --workers 2 -svv
+        pytest -svv

tox.ini

@@ -2,12 +2,6 @@
 [tox]
 envlist = py36, py37, py38
 
-[gh-actions]
-python =
-    3.6: py36
-    3.7: py37
-    3.8: py38
-
 [testenv]
 # install pytest in the virtualenv where commands will be executed
 deps =