diff --git a/selfdrive/car/tests/test_models.py b/selfdrive/car/tests/test_models.py
index 5007bb1999..5123a0b9dd 100755
--- a/selfdrive/car/tests/test_models.py
+++ b/selfdrive/car/tests/test_models.py
@@ -95,6 +95,13 @@ class TestCarModelBase(unittest.TestCase):
     if cls.test_route.segment is not None:
       test_segs = (cls.test_route.segment,)
 
+    # cls.can_msgs = [os.urandom(17476) for _ in range(6000)]  # about 100 mb
+    #
+    # cls.fingerprint = gen_empty_fingerprint()
+    #
+    # for _ in range(200):
+    #   cls.fingerprint[random.randint(0, 7)][random.randint(0, 64)] = random.randint(0, 8)
+
     for seg in test_segs:
       try:
         if len(INTERNAL_SEG_LIST):