Update test fixtures to use explicit run

Change-Id: I3060a2bf57cef10a5a7ec5299e3491f1f6751221
diff --git a/tests/fixtures/layouts/irrelevant-files.yaml b/tests/fixtures/layouts/irrelevant-files.yaml
index 97f58e7..80be9af 100644
--- a/tests/fixtures/layouts/irrelevant-files.yaml
+++ b/tests/fixtures/layouts/irrelevant-files.yaml
@@ -14,9 +14,11 @@
 - job:
     name: base
     parent: null
+    run: playbooks/base.yaml
 
 - job:
     name: project-test-irrelevant-files
+    run: playbooks/project-test-irrelevant-files.yaml
 
 - project:
     name: org/project