def test_handle_missing_config_directory(self):
        """Create the config directory if it does not exist."""

        self.filesystem.remove_empty_directory(self.locator.root)

        self.run_cli(["-l", "foo", "-i", "bar", "--persist", "--root", "virtualenvs/subdir"])

# venvs/common.py", line 150, in for_name
#     child = self.root.descendant(name.lower().replace("-", "_"))
# AttributeError: 'RelativePath' object has no attribute 'descendant'


        contents = _load_config(
            filesystem=self.filesystem,
            locator=self.locator,
        )
        self.assertEqual(
            contents,
            {'virtualenv': {"bar": {"install": ["bar"], "link": ["foo"]}}}
        )