test: avoid using bash

Author: ssbarnea

tests/roles/ensure-ansible/molecule/default/playbook.yml

@@ -44,24 +44,18 @@
     # PIP_NO_BUILD_ISOLATION workaround for older pips with partial pep514
     - name: Test install to user without extras
       shell: |
-        set -euox pipefail
+        set -eux
         export PIP_NO_BUILD_ISOLATION=false
         {{ ansible_python.executable }} -m pip install --user 'setuptools>=40.0'
         {{ ansible_python.executable }} -m pip install --user {{ item.dest }}
         {{ ansible_python.executable }} -m molecule --version
         {{ ansible_python.executable }} -c 'import docker' && exit 1 || echo 'passed, docker should not be installed'
         {# tests that we can install docker extra #}
-      args:
-        # ubuntu defaults to /bin/sh which chokes on pipefail
-        executable: /bin/bash
       with_items: "{{ result.results }}"
 
     - name: Test install to user with docker extra
       shell: |
-        set -euox pipefail
+        set -eux
         {{ ansible_python.executable }} -m pip install --user echo '{{ item.dest }}[docker]'
         {{ ansible_python.executable }} -c 'import docker'
-      args:
-        # ubuntu defaults to /bin/sh which chokes on pipefail
-        executable: /bin/bash
       with_items: "{{ result.results }}"