def test_no_updater(self):
        self.env.updater = False
        self.create_files({'out': 'old_value'})
        self.mkbundle('in1', output='out').build(force=False)
        # Despite force=False we will do a built, because there is in fact no
        # updater that the force argument could disable.
        assert self.get('out') == 'A'
[Regression] If Environment.updater is set to False/None,
dataset/ETHPy150Open miracle2k/webassets/tests/test_bundle_build.py/TestAutoBuild.test_no_updater