Update NavigationTests.java

"not real test" disclaimer

Author: angiejones

webdriver_java/src/test/java/navigation/NavigationTests.java

@@ -5,6 +5,12 @@
 
 public class NavigationTests extends BaseTests {
 
+    /*************************************************
+     * NOTE: These tests do not assert anything.
+     * In the video, we used this code to demonstrate
+     * window management
+     *************************************************/
+
     @Test
     public void testNavigator(){
         homePage.clickDynamicLoading().clickExample1();