MockBoat has autoVMG disabled by default.

Wind/Tack commands disable autoVMG. VMG command enables it.
Upwind command was turning until boat was at 0 degrees, instead of being aligned with wind direction, but that's fixed.
#story[1096]

racevisionGame/src/main/java/mock/model/commandFactory/TackGybeCommand.java

@@ -18,6 +18,9 @@ public class TackGybeCommand implements Command {
     //The refactoring of MockRace will require changes to be made
     @Override
     public void execute() {
+
+        boat.setAutoVMG(false);
+
         /*VMG newVMG = boat.getPolars().calculateVMG(
                 race.getWindDirection(),
                 race.getWindSpeed(),