diff --git a/tests/test_grader.py b/tests/test_grader.py
index 84626d2..80ed7f2 100644
--- a/tests/test_grader.py
+++ b/tests/test_grader.py
@@ -7,6 +7,7 @@ def test_grader_config(config_factory, cli_factory):
 
     config : Config = config_factory("ConfigGrade.json")
     args : CLIArgs = cli_factory(**{
+        "mode": "grade",
         "output_file": "Grades.csv",
         "failure_log": "Failures.txt",
         "timeout": 1