fix

Author: ValentinKaisermayer

test/multi_domain.jl

@@ -181,7 +181,7 @@ end
     @test sol[inertia.w][idx_t] ≈ (dc_gain * [V_step; -tau_L_step])[2]
     @test sol[emf.i][idx_t] ≈ (dc_gain * [V_step; -tau_L_step])[1]
     # 
-    @test sol[inertia.w] == sol[speed_sensor.w]
+    @test sol[inertia.w] == sol[speed_sensor.w.u]
 end
 
 @testset "El. Heating Circuit" begin
@@ -191,7 +191,7 @@ end
     @named heating_resistor = HeatingResistor(R_ref = 100, alpha = 1e-3, T_ref = 293.15)
     @named thermal_conductor = ThermalConductor(G = 50)
     @named env = FixedTemperature(T = 273.15 + 20)
-    connections = [connect(source.n, ground.p, heatingResistor.n)
+    connections = [connect(source.n, ground.g, heatingResistor.n)
                    connect(source.p, heating_resistor.p)
                    connect(heating_resistor.heat_port, thermal_conductor.port_a)
                    connect(thermal_conductor.port_b, env.port)]