Remove unneeded testdir fixture

Author: The-Compiler

test_pytest_mock.py

@@ -455,7 +455,7 @@ def test_foo(mocker):
     assert result.ret == 0
 
 
-def test_parse_ini_boolean(testdir):
+def test_parse_ini_boolean():
     import pytest_mock
     assert pytest_mock.parse_ini_boolean('True') is True
     assert pytest_mock.parse_ini_boolean('false') is False