[T] Enable BC_BC Dupuit test.

ProcessLib/LiquidFlow/Tests.cmake

...it/BC_BC/Dupuit_TestSet_01_pcs_0_ts_10_t_86400.000000.vtu

...puit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_1_t_8640.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_2_t_17280.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_3_t_25920.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_4_t_34560.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_5_t_43200.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_6_t_51840.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_7_t_60480.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_8_t_69120.000000.vtu

...uit/BC_BC/Dupuit_TestSet_01_pcs_0_ts_9_t_77760.000000.vtu