def METHOD_NAME():
    m = pyo.ConcreteModel()
    m.fs = idaes.core.FlowsheetBlock(dynamic=False)
    m.fs.properties = iapws95.Iapws95ParameterBlock()
    m.fs.unit = HelmNtuCondenser(
        dynamic=False,
        shell={"has_pressure_change": False, "property_package": m.fs.properties},
        tube={"has_pressure_change": False, "property_package": m.fs.properties},
    )
    m.fs.unit.shell_inlet.flow_mol.fix(100)
    m.fs.unit.shell_inlet.pressure[:] = 9000
    m.fs.unit.shell_inlet.enth_mol.fix(30000)
    m.fs.unit.tube_inlet.flow_mol.fix(1200)
    m.fs.unit.tube_inlet.pressure.fix(101325)
    m.fs.unit.tube_inlet.enth_mol.fix(1800)
    m.fs.unit.area.fix(1000)
    m.fs.unit.overall_heat_transfer_coefficient.fix(500)
    m.fs.unit.initialize(unfix="pressure")
    solver.solve(m)
    assert pyo.value(m.fs.unit.shell_inlet.pressure[0]) == pytest.approx(
        14036.3360, rel=1e-2
    )