OO-1228: wait busy flag on checkbox with listener attached

src/test/java/org/olat/selenium/page/course/CourseWizardPage.java

@@ -85,11 +85,9 @@ public class CourseWizardPage {
 		Assert.assertFalse(checkAll.isEmpty());
 		for(WebElement check:checkAll) {
 			check.click();
+			OOGraphene.waitBusy();
 		}
 		
 		return this;
 	}
-	
-	
-
-}
+}
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