Last fix tests

Author: damiano-flex

tests/test_components/test_heat.py

@@ -138,11 +138,11 @@ def test_heat_bcs():
     )
 
     with pytest.raises(pd.ValidationError):
-        td.VerticalNaturalConvectionCoeffModel(medium=air, plate_length=-10)
+        td.VerticalNaturalConvectionCoeffModel(medium=air.heat, plate_length=-10)
 
     _, solid_medium = make_heat_mediums()
     with pytest.raises(pd.ValidationError):
-        td.VerticalNaturalConvectionCoeffModel(medium=solid_medium, plate_length=1e5)
+        td.VerticalNaturalConvectionCoeffModel(medium=solid_medium.heat_spec, plate_length=1e5)
 
 
 def make_heat_mnts():

tests/test_components/test_heat_charge.py

@@ -913,7 +913,6 @@ def test_vertical_natural_convection():
     )
 
     coeff_model = td.VerticalNaturalConvectionCoeffModel(plate_length=1)
-    full_coeff_model = td.VerticalNaturalConvectionCoeffModel(medium=air.heat, plate_length=1)
     sim = td.HeatChargeSimulation(
         size=(2, 2, 2),
         center=(0, 0, 0),
@@ -979,6 +978,7 @@ def test_vertical_natural_convection():
     # Test the case where the convection model has its own fluid medium explicitly defined.
     # The simulation should use the properties from the model's medium and ignore the
     # fluid present at the interface.
+    full_coeff_model = td.VerticalNaturalConvectionCoeffModel(medium=air.heat, plate_length=1)
     sim.updated_copy(
         boundary_spec=[
             td.HeatBoundarySpec(