Update test fixtures to use explicit run

Change-Id: I3060a2bf57cef10a5a7ec5299e3491f1f6751221
diff --git a/tests/fixtures/layouts/idle.yaml b/tests/fixtures/layouts/idle.yaml
index 4cc07ae..4f3efe4 100644
--- a/tests/fixtures/layouts/idle.yaml
+++ b/tests/fixtures/layouts/idle.yaml
@@ -8,6 +8,7 @@
 - job:
     name: base
     parent: null
+    run: playbooks/base.yaml
 
 - job:
     name: project-bitrot
@@ -15,10 +16,10 @@
       nodes:
         - name: static
           label: ubuntu-xenial
+    run: playbooks/project-bitrot.yaml
 
 - project:
     name: org/project
     periodic:
       jobs:
         - project-bitrot
-