add back testing steps

.drone.yml

@@ -37,7 +37,13 @@ steps:
 - name: ansible-molecule
   image: xoxys/molecule:latest
   commands:
-  - echo "Skip"
+  - molecule test -scentos7
+  environment:
+    DO_API_KEY:
+      from_secret: do_api_key
+    MOLECULE_CUSTOM_FILTERS_REPO: https://gitea.rknet.org/ansible/custom_filters
+    MOLECULE_CUSTOM_MODULES_REPO: https://gitea.rknet.org/ansible/custom_modules
+    USER: root
 
 trigger:
   ref:
@@ -141,6 +147,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 9a369a8b6095ccb3a8ac4a11a7bf4f1b740c8396c05a4713401e887ebc12ae07
+hmac: 8932d9e6f7c92d8843e0f762f7a53b16808c41a7812682023842026d68cb19db
 
 ...