Fixed AI infinite loop on wrong answers input (tests affected)

Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java

@@ -767,7 +767,9 @@ public class ComputerPlayer6 extends ComputerPlayer /*implements Player*/ {
             return super.choose(outcome, choice, game);
         }
         if (!choice.isChosen()) {
-            return choice.setChoiceByAnswers(choices, true);
+            if(!choice.setChoiceByAnswers(choices, true)){
+                choice.setRandomChoice();
+            }
         }
         return true;
     }

Mage.Server.Plugins/Mage.Player.AIMinimax/src/mage/player/ai/ComputerPlayer2.java

@@ -478,7 +478,9 @@ public class ComputerPlayer2 extends ComputerPlayer implements Player {
         }
 
         if (!choice.isChosen()) {
-            return choice.setChoiceByAnswers(choices, true);
+            if(!choice.setChoiceByAnswers(choices, true)){
+                choice.setRandomChoice();
+            }
         }
 
         return true;

Mage.Tests/src/test/java/org/mage/test/player/TestPlayer.java

@@ -740,7 +740,9 @@ public class TestPlayer implements Player {
     @Override
     public boolean choose(Outcome outcome, Choice choice, Game game) {
         if (!choices.isEmpty()) {
-            return  choice.setChoiceByAnswers(choices, true);
+            if(choice.setChoiceByAnswers(choices, true)){
+                return true;
+            }
         }
         return computerPlayer.choose(outcome, choice, game);
     }