Improve test bootstrap docs

Author: baileyherbert

tests/bootstrap.php

@@ -4,12 +4,13 @@
 
 // Configure an app for testing
 // Register one here: https://build.envato.com/my-apps/
-define('TEST_OAUTH_SECRET', 'UeITwZSUjY8i1PpTgBUPqZRJXObDB7JX');
+define('TEST_OAUTH_SECRET', 'Enter a client secret here for testing');
 define('TEST_OAUTH_REDIRECT', 'https://localhost/');
-define('TEST_OAUTH_CLIENT', 'oauth-test-hctds8wd');
+define('TEST_OAUTH_CLIENT', 'oauth-client-id123456');
 
+// Create a token with the OAuth app above and paste it here
 define('TEST_OAUTH_CODE', '');
 
 // Configure a personal token for testing
 // Register one here: https://build.envato.com/my-apps/
-define('TEST_PERSONAL_TOKEN', 'zImroz44UrMDJcglOmLGKiALa3wrjdf6');
+define('TEST_PERSONAL_TOKEN', 'Enter a personal token here for testing');