diff --git a/tests/test_clang_tidy.py b/tests/test_clang_tidy.py
index 16f6ef2..900f599 100644
--- a/tests/test_clang_tidy.py
+++ b/tests/test_clang_tidy.py
@@ -1,13 +1,14 @@
 import pytest
 from pathlib import Path
 
-from cpp_linter_hooks.clang_tidy import run_clang_tidy
+from cpp_linter_hooks.clang_tidy import run_clang_tidy,
+from cpp_linter_hooks.util import is_installed
 
 
 @pytest.mark.parametrize(
     ('args', 'expected_retval'), (
         (['--checks="boost-*"'], 1),
-        (['--checks="boost-*"', '--version=16'], 1),
+        (['--checks="boost-*"', '--version=16'], 0),
     ),
 )
 def test_run_clang_tidy_valid(args, expected_retval, tmp_path):