fixed first test

        Logger = JClass("logging.Logger")

        Mockito = JClass("org.mockito.Mockito")

        RNG = JClass("tno.geoenergy.stochastic.RandomNumberGenerator")

        ThermoGISDoublet = JClass("thermogis.calc.doublet.ThermoGisDoublet")

        ThermoGISDoublet = JClass("thermogis.calc.utc.doublet.ThermoGisDoublet")

        DoubletInput = JClass("thermogis.calc.utc.doublet.records.DoubletInput")

        UTCPropertiesBuilder = JClass("thermogis.properties.builders.UTCPropertiesBuilder")

        ViscosityMode = JClass("tno.geoenergy.ViscosityMode")

        # Instantiate the UTC properties class

        utc_properties = (UTCPropertiesBuilder()

                          .setViscosityMode(ViscosityMode.KESTIN)

                          .setDhReturnTemp(40)

                          .build())

        permeability = 175

        thickness = 100

        transmissivity = thickness * permeability

        temperature = 76

        input = DoubletInput(

            -999.0, # unknowninput

            thickness,

            transmissivity,

            0.0, # transmissivityWithNtg

            1.0, # ntg

            2000.0, # depth

            0.0,# porosity

            temperature,

            None, # ates input

        )

        # Create an instance of a ThermoGISDoublet

        doublet = ThermoGISDoublet(Mockito.mock(Logger), RNG(0), utc_properties)

        # Setting input values

        thickness = 100

        permeability = 175

        transmissivity = thickness * permeability

        doublet.setReservoirTemp(76)

        doublet.setDepth(2000)

        doublet.setInjectionTemp(40)

        doublet.setNtg(1.0)

        doublet.setNoStimulation()

        # Act

        doublet.calculateDoubletPerformance(-999, thickness, transmissivity, False)

        results = doublet.calculateDoubletPerformance(input)

        # Assert

        self.assertTrue(np.isclose(17500, transmissivity, 0.001))

        self.assertTrue(np.isclose(227.2757568359375, doublet.getFlowrate(), 1))

        self.assertTrue(np.isclose(60, doublet.getDrawdownPressure() / 1e5, 0.001))

        self.assertTrue(np.isclose(6.616096470753937, doublet.getUtcPeurctkWh(), 0.001))

        self.assertTrue(np.isclose(1159.17968, doublet.getWellDistance(), 0.001))

        self.assertTrue(np.isclose(8.636903762817383, doublet.getHeatPowerPerDoublet(), 0.001))

        self.assertTrue(np.isclose(13.627557754516602, doublet.getCop(), 0.001))

        self.assertTrue(np.isclose(227.2757568359375, results.flow(), 1))

        self.assertTrue(np.isclose(60, results.pres(), 0.001))

        self.assertTrue(np.isclose(6.616096470753937, results.utc(), 0.001))

        self.assertTrue(np.isclose(1159.17968, results.welld(), 0.001))

        self.assertTrue(np.isclose(8.636903762817383, results.power(), 0.001))

        self.assertTrue(np.isclose(13.627557754516602, results.cop(), 0.001))

    def test_calculateDoubletPerformance_directHeat(self):

        """