def METHOD_NAME(self):
    bom_path = Path(self.tmpdir) / "Bom"
    bom_path.touch()
    root_path = Path(self.tmpdir)
    tool_path = Path(self.tmpdir) / "not-really-used-during-test"
    with patch.object(mozpack.pkg.subprocess, "check_call", lambda *x: None):
        create_bom(bom_path, root_path, tool_path)