Addition of an experiment annotation

PDE/test_UpwindFirstOrder.mo

@@ -24,9 +24,9 @@ initial equation
 equation
 //
   Vel = pulse.y;
-
 // Boundary conditions
   transport.u_ghost_left[:] = fill(1.0, 2);
-  transport.u_ghost_right[:] = fill(2.0, 2);  
-
+  transport.u_ghost_right[:] = fill(2.0, 2);
+  annotation(
+    experiment(StartTime = 0, StopTime = 1, Tolerance = 1e-6, Interval = 0.002));
 end test_UpwindFirstOrder;