def METHOD_NAME(self):
    aep = self.report._prepare_aep(self.env.ref("base.main_company"))
    ee = ExpressionEvaluator(
        aep=aep,
        date_from="2017-01-01",
        date_to="2017-01-12",
        aml_model="mis.budget.by.account.item",
    )
    d = self.report._evaluate(ee)
    assert d["k1"] == 11.0 + 13.0 / 2