diff --git a/test/error_test.py b/test/error_test.py
index 3b68bee..ed69740 100644
--- a/test/error_test.py
+++ b/test/error_test.py
@@ -18,4 +18,7 @@
 Traceback (most recent call last):
     ...
 nava.errors.NavaBaseError: `loop` can not be set True when `async_mode` is False.
+>>> import nava
+>>> nava.functions.play_cli("test2.wav")
+Error: Given sound file doesn't exist.
 """