no-jira: fix 2 selenium tests

src/main/java/org/olat/course/nodes/pf/ui/PFParticipantController.java

@@ -99,9 +99,6 @@ public class PFParticipantController extends BasicController {
 			case displayReturn:
 				path = translate("return.box");
 				break;
-			default:
-				path = translate("drop.box");
-				break;
 		}
 		initFolderController(ureq, path);
 		

src/test/java/org/olat/selenium/ImsQTI21EditorTest.java

@@ -453,7 +453,7 @@ public class ImsQTI21EditorTest extends Deployments {
 			.assertFeedback("Incorrect")
 			.assertFeedback("Attempts")
 			.answerSingleChoiceWithParagraph("Correct")
-			.saveAnswer()
+			.saveAnswerMoveAndScrollTop()
 			.assertNoFeedback()
 			.endTest();
 	}