'Check that inserting something into the namespace works in a
simple text file doctest'

@pytest.mark.parametrize('scope', SCOPES)
def test_namespace_doctestfile(self, testdir, scope):

    testdir.makeconftest('\n                                                import    pytest\n                                                import    contextlib\n\n                                                @pytest.fixture(autouse=True,    scope="{scope}")\n                                                def    add_contextlib(doctest_namespace):\n                                                                doctest_namespace[\'cl\']    =    contextlib\n                                '.format(scope=scope))
    p = testdir.maketxtfile('\n                                                >>>    print(cl.__name__)\n                                                contextlib\n                                ')
    reprec = testdir.inline_run(p)
    reprec.assertoutcome(passed=1)
