def test_creating_a_subcontext():
    ctx = Context()
    ctx4 = ctx.subcontext({"lang": "@language"})
    assert ctx4.get_language({"lang": "en"}) == "en"
def test_creating_a_subcontext():
    ctx = Context()
    ctx4 = ctx.subcontext({'lang': '@language'})
    assert ctx4.get_language({'lang': 'en'}) == 'en'
def test_creating_a_subcontext():
    ctx = Context()
    ctx4 = ctx.subcontext({'lang': '@language'})
    assert ctx4.get_language({'lang': 'en'}) == 'en'