Fix broken collecting of default answer

Author: dnestoro

tests/tck-build-logic/src/main/java/org/graalvm/internal/tck/utils/InteractiveTaskUtils.java

@@ -29,7 +29,7 @@ public static boolean askYesNoQuestion(String question, String helpMessage, bool
         while (true) {
             printQuestion(question);
 
-            String answer = scanner.next();
+            String answer = scanner.nextLine();
             if (answer.equalsIgnoreCase("help")) {
                 printHelpMessage(helpMessage);
                 continue;