Add test to check text of button, closes #608

seed_data/challenges/bootstrap.json

@@ -160,7 +160,8 @@
         "Bootstrap has its own button styles, which look much better than the plain HTML ones."
       ],
       "tests": [
-        "assert($('.btn').length > 0, 'your new button should have the class \"btn\".')"
+        "assert($('.btn').length > 0, 'your new button should have the class \"btn\".');",
+        "assert(new RegExp('like this photo','gi').test($('.btn').text()), 'your button should have the test \"like this photo\"');"
       ],
       "challengeSeed": [
         "<link href='http://fonts.googleapis.com/css?family=Lobster' rel='stylesheet' type='text/css'>",