diff --git a/tools/dashboard-deploy-test.py b/tools/dashboard-deploy-test.py
index 26fa40a48b7717868c1f90e3afd2302faddc3937..c6f8f1aa3515e02ddd68c6e938a26c887c26cf1a 100644
--- a/tools/dashboard-deploy-test.py
+++ b/tools/dashboard-deploy-test.py
@@ -179,7 +179,8 @@ class DeploymentBoundary(unittest.TestCase):
         def execute(argv, **kwargs):
             if argv[:2] == ["nixos-rebuild", "switch"]:
                 self.assertEqual((self.root / "current").resolve(), self.snapshot)
-            return subprocess.CompletedProcess(argv, 0, stdout='"leader"', stderr="")
+            output = 'job "fixture" {\n' if argv[-1] == "render" else '"leader"'
+            return subprocess.CompletedProcess(argv, 0, stdout=output, stderr="")
 
         with patch.object(release.subprocess, "run", side_effect=execute):
             self.assertIsNone(release.activate(self.version, initial=True))