diff --git a/test/unit/jobs/test_runner_local.py b/test/unit/jobs/test_runner_local.py
index acaafbc5557..81d19aa4493 100644
--- a/test/unit/jobs/test_runner_local.py
+++ b/test/unit/jobs/test_runner_local.py
@@ -144,6 +144,7 @@ class MockJobWrapper(object):
         self.shell = "/bin/bash"
         self.cleanup_job = "never"
         self.tmp_dir_creation_statement = ""
+        self.realtimetools = []
 
         # Cruft for setting metadata externally, axe at some point.
         self.external_output_metadata = bunch.Bunch(