def METHOD_NAME(self):
    m = ConcreteModel()
    m.db = Database()
    m.fs = FlowsheetBlock(dynamic=False)
    m.fs.params = WaterParameterBlock(
        solute_list=["bod", "tss", "tkn", "phosphorus", "foo"]
    )
    m.fs.unit = SuboxicASMZO(property_package=m.fs.params, database=m.db)
    m.fs.unit.inlet.flow_mass_comp[0, "H2O"].fix(10)
    m.fs.unit.inlet.flow_mass_comp[0, "bod"].fix(1)
    m.fs.unit.inlet.flow_mass_comp[0, "tss"].fix(1)
    m.fs.unit.inlet.flow_mass_comp[0, "tkn"].fix(1)
    m.fs.unit.inlet.flow_mass_comp[0, "phosphorus"].fix(1)
    m.fs.unit.inlet.flow_mass_comp[0, "foo"].fix(1)
    return m