Also shorten last circle model

Author: JoerivanEngelen

imod/tests/fixtures/mf6_circle_fixture.py

@@ -357,7 +357,7 @@ def circle_model_transport():
         reordering_method=None,
         relaxation_factor=0.97,
     )
-    simtimes = pd.date_range(start="2000-01-01", end="2001-01-01", freq="W")
+    simtimes = pd.date_range(start="2000-01-01", end="2000-01-03")
     simulation.create_time_discretization(additional_times=simtimes)
     return simulation
 

imod/tests/test_mf6/test_multimodel/test_mf6_partitioning_unstructured.py

@@ -444,14 +444,14 @@ def run_simulation(tmp_path, simulation, species=None):
     simulation.run()
     head = simulation.open_head()
     flow_budget = simulation.open_flow_budget()
-    flow_budget = flow_budget.sel(time=2)
+    flow_budget = flow_budget.isel(time=-1)
     concentration = None
     transport_budget = None
     transport_budget = None
     if has_transport:
         concentration = simulation.open_concentration()
         transport_budget = simulation.open_transport_budget(species)
-        transport_budget = transport_budget.sel(time=2)
+        transport_budget = transport_budget.isel(time=-1)
     return head, concentration, flow_budget, transport_budget