Don't run parallel.

.github/workflows/molecule.yml

@@ -71,6 +71,3 @@ jobs:
         with:
           image: ${{ matrix.config.image }}
           tag: ${{ matrix.config.tag }}
-          options: "--parallel all"
-        env:
-          TOX_PARALLEL_NO_SPINNER: 1

.travis.yml

@@ -38,7 +38,7 @@ install:
   - pip install tox
 
 script:
-  - function retry { counter=0 ; until "$@" ; do exit=$? ; counter=$(($counter + 1)) ; if [ $counter -ge 3 ] ; then return $exit ; fi ; done ; return 0; } ; retry tox --parallel all
+  - function retry { counter=0 ; until "$@" ; do exit=$? ; counter=$(($counter + 1)) ; if [ $counter -ge 3 ] ; then return $exit ; fi ; done ; return 0; } ; retry tox
 
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/

tox.ini

@@ -14,6 +14,7 @@ deps =
     next: git+https://github.com/ansible/ansible.git@devel
     molecule[docker]>=3, <4
     docker>=4.2, <4.3
+    ansible-lint
 commands = molecule test
 setenv =
     TOX_ENVNAME={envname}