Add missing experiment annotations (#4516)

* Added missing experiment annotations. Fixes #4510

* Update ModelicaTest/Electrical/QuasiStatic/Polyphase.mo

Co-authored-by: Hans Olsson <[email protected]>

* Update ModelicaTest/Electrical/QuasiStatic/SinglePhase.mo

Co-authored-by: Hans Olsson <[email protected]>

---------

Co-authored-by: Hans Olsson <[email protected]>

Author: casella

ModelicaTest/Electrical/QuasiStatic/Polyphase.mo

@@ -226,5 +226,6 @@ package Polyphase "Polyphase quasi-static package"
     connect(starI.plug_p,currentSource. plug_p) annotation (Line(points={{-20,-80},{-20,-50}}, color={85,170,255}));
     connect(currentSource.plug_p, capacitor.plug_n) annotation (Line(points={{-20,-50},{-10,-50},{-10,-20},{-20,-20}}, color={85,170,255}));
     connect(capacitor.plug_p,currentSource. plug_n) annotation (Line(points={{-40,-20},{-50,-20},{-50,-50},{-40,-50}}, color={85,170,255}));
+  annotation(experiment(StopTime = 1.0));
   end FrequencySweep;
 end Polyphase;

ModelicaTest/Electrical/QuasiStatic/SinglePhase.mo

@@ -265,5 +265,6 @@ package SinglePhase "Single-phase quasi-static package"
     connect(currentCurrent.pin_p, impedanceC.pin_n) annotation (Line(points={{20,-50},{20,-60},{50,-60},{50,-50}}, color={85,170,255}));
     connect(groundI1.pin, currentCurrent.pin_p) annotation (Line(points={{0,-60},{20,-60},{20,-50}}, color={85,170,255}));
     connect(complexRampC.y, impedanceC.Z_ref) annotation (Line(points={{69,-40},{62,-40}}, color={85,170,255}));
+  annotation(experiment(StopTime = 1.0));
   end FrequencySweep;
 end SinglePhase;