diff --git a/tests/pytest/mock_input.py b/tests/pytest/mock_input.py
index 51ba0ebe..c59c2da4 100644
--- a/tests/pytest/mock_input.py
+++ b/tests/pytest/mock_input.py
@@ -32,3 +32,5 @@ class Mock_TTkInput():
     class inputEvent():
         def connect(*args):
             pass
+        def clear():
+            pass