Use playbooks defined in repos

This replaces the stubbed-out 'hello world' Ansible playbook with
an implementation which actually runs the corresponding playbook
defined in the repo where the job is defined.

Change-Id: I73a6b3b067c7d61bb2a2b2140ab98c4944a6adfe
Story: 2000772
diff --git a/tests/fixtures/config/ansible/main.yaml b/tests/fixtures/config/ansible/main.yaml
new file mode 100644
index 0000000..d9868fa
--- /dev/null
+++ b/tests/fixtures/config/ansible/main.yaml
@@ -0,0 +1,8 @@
+- tenant:
+    name: tenant-one
+    source:
+      gerrit:
+        config-repos:
+          - common-config
+        project-repos:
+          - org/project