diff --git a/tests/test_server.py b/tests/test_server.py
index f349329..d130a2e 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -27,7 +27,7 @@ from pygls.server import LanguageServer
 
 from cmake_language_server.server import CMakeLanguageServer
 
-CALL_TIMEOUT = 2
+CALL_TIMEOUT = None
 
 
 def _init(client: LanguageServer, root: Path) -> None: