Add molecule tests for roles (#8080)

* Add molecule tests for bastion-ssh-config

* Add molecule tests for adduser

* Update .gitignore

roles/bastion-ssh-config/molecule/default/molecule.yml

@@ -0,0 +1,31 @@
+---
+dependency:
+  name: galaxy
+lint: |
+  set -e
+  yamllint -c ../../.yamllint .
+driver:
+  name: vagrant
+  provider:
+    name: libvirt
+platforms:
+  - name: bastion-01
+    box: generic/ubuntu2004
+    cpus: 1
+    memory: 512
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+  inventory:
+    hosts:
+      all:
+        hosts:
+        children:
+          bastion:
+            hosts:
+              bastion-01:
+verifier:
+  name: testinfra
+  lint:
+    name: flake8