Update test fixtures to use explicit run

Change-Id: I3060a2bf57cef10a5a7ec5299e3491f1f6751221
diff --git a/tests/fixtures/layouts/multiple-templates.yaml b/tests/fixtures/layouts/multiple-templates.yaml
index 7272cad..ece8396 100644
--- a/tests/fixtures/layouts/multiple-templates.yaml
+++ b/tests/fixtures/layouts/multiple-templates.yaml
@@ -14,9 +14,11 @@
 - job:
     name: base
     parent: null
+    run: playbooks/base.yaml
 
 - job:
     name: py27
+    run: playbooks/py27.yaml
 
 - project-template:
     name: python-jobs