Update test fixtures to use explicit run

Change-Id: I3060a2bf57cef10a5a7ec5299e3491f1f6751221
diff --git a/tests/fixtures/layouts/repo-checkout-four-project.yaml b/tests/fixtures/layouts/repo-checkout-four-project.yaml
index 17303f5..11212e8 100644
--- a/tests/fixtures/layouts/repo-checkout-four-project.yaml
+++ b/tests/fixtures/layouts/repo-checkout-four-project.yaml
@@ -35,6 +35,7 @@
 - job:
     name: base
     parent: null
+    run: playbooks/base.yaml
 
 - job:
     name: integration
@@ -43,6 +44,7 @@
       - org/project2
       - org/project3
       - org/project4
+    run: playbooks/integration.yaml
 
 - project:
     name: org/project1