Use isapprox in a few more test cases

Author: staticfloat

test/Thermal/thermal.jl

@@ -32,7 +32,7 @@ D = Differential(t)
     # Check if Relative temperature sensor reads the temperature of heat capacitor
     # when connected to a thermal conductor and a fixed temperature source
     @test sol.retcode == Success
-    @test sol[reltem_sensor.T] + sol[tem_src.port.T] == sol[mass1.T] + sol[th_conductor.dT]
+    @test sol[reltem_sensor.T] + sol[tem_src.port.T] ≈ sol[mass1.T] + sol[th_conductor.dT]
 
     @info "Building a two-body system..."
     eqs = [connect(T_sensor1.port, mass1.port, th_conductor.port_a)
@@ -88,10 +88,10 @@ end
     sol = solve(prob, Tsit5())
 
     @test sol.retcode == Success
-    @test sol[th_conductor.dT] .* G == sol[th_conductor.Q_flow]
+    @test sol[th_conductor.dT] .* G ≈ sol[th_conductor.Q_flow]
     @test sol[th_conductor.Q_flow] ≈ sol[hf_sensor1.Q_flow] + sol[flow_src.port.Q_flow]
 
-    @test sol[mass1.T] == sol[th_resistor.port_a.T]
+    @test sol[mass1.T] ≈ sol[th_resistor.port_a.T]
     @test sol[th_resistor.dT] ./ R ≈ sol[th_resistor.Q_flow]
 end
 
@@ -242,7 +242,7 @@ end
     @test sol.retcode == Success
     @test sol[T_winding.T] == sol[winding.T]
     @test sol[T_core.T] == sol[core.T]
-    @test sol[-core.port.Q_flow] ==
+    @test sol[-core.port.Q_flow] ≈
           sol[coreLosses.port.Q_flow + convection.solid.Q_flow + winding2core.port_b.Q_flow]
     @test sol[T_winding.T][end] >= 500 # not good but better than nothing
     @test sol[T_core.T] <= sol[T_winding.T]