Improving test cases

This PR improves test cases by adding a "index.html" webpage listing test maps
and by adding text in the map, explaining what needs to be tested.

maps/tests/script.js

@@ -3,8 +3,8 @@ console.log('SCRIPT LAUNCHED');
 var isFirstTimeTuto = false;
 var textFirstPopup = 'Hey ! This is how to open start a discussion with someone ! You can be 4 max in a booble';
 var textSecondPopup = 'You can also use the chat to communicate ! ';
-var targetObjectTutoBubble ='tutoBobble';
-var targetObjectTutoChat ='tutoChat';
+var targetObjectTutoBubble ='myPopup1';
+var targetObjectTutoChat ='myPopup2';
 var popUpExplanation = undefined;
 function launchTuto (){
         WA.openPopup(targetObjectTutoBubble, textFirstPopup, [