diff --git a/tools/lint/test/run.py b/tools/lint/test/run.py
index a81b1fa9d4..6e6d98b902 100755
--- a/tools/lint/test/run.py
+++ b/tools/lint/test/run.py
@@ -89,6 +89,7 @@ def create_file_test(name, fspath):
             for err in expected:
                 self.assertIn(err, stderr)
 
+    test.__name__ = 'test_' + file_name.split('.')[0]
     return test
 
 dirname = os.path.join(os.path.abspath(testDir), 'fixtures')
@@ -99,7 +100,6 @@ for file_name in os.listdir(dirname):
         continue
 
     t = create_file_test(file_name, full_path)
-    t.__name__ = 'test_' + file_name
     setattr(TestLinter, t.__name__, t)
 
 if __name__ == '__main__':