Update tests/test_utils_termtitle.py

tests/test_utils_termtitle.py

@@ -18,7 +18,7 @@ def test_termtitle_changes_actual_title():
     
     # Capture actual terminal title with xprop
     result = subprocess.run(
-        ["xprop", "-id", os.environ["WINDOWID"]], 
+        ["Xvfb", "-id", os.environ["WINDOWID"]], 
         capture_output=True, 
         text=True
     )