diff --git a/tests/test_hand.py b/tests/test_hand.py
index 50381df..f67fc3d 100644
--- a/tests/test_hand.py
+++ b/tests/test_hand.py
@@ -10,3 +10,4 @@ def default_hand():
 
 def test_adding_card_to_hand(default_hand):
     default_hand.add_card("diamonds","2")
+    default_hand.add_card("diamonds","K")