1 files changed, 4 insertions, 0 deletions
diff --git a/testing/mozharness/configs/test/test_optional.py b/testing/mozharness/configs/test/test_optional.py
new file mode 100644
index 0000000000..4eb13b3dfb
--- /dev/null
+++ b/testing/mozharness/configs/test/test_optional.py
@@ -0,0 +1,4 @@
+#!/usr/bin/env python
+config = {
+    "opt_override": "new stuff",
+}