Extended payment delete fix (#4274)

* Create a  Base64 URL-Safe encoding and decoding helper

* Rename web_helper to url_helper

---------

Co-authored-by: El_Coloso <diegoramosp@gmail.com>

tests/phpunit.xml

@@ -1,26 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<phpunit bootstrap = "../../vendor/autoload.php"
+<phpunit bootstrap = "../vendor/autoload.php"
     backupGlobals               = "false"
-    backupStaticAttributes      = "false"
     colors                      = "true"
-    convertErrorsToExceptions   = "true"
-    convertNoticesToExceptions  = "true"
-    convertWarningsToExceptions = "true"
     processIsolation            = "false"
-    stopOnFailure               = "false"
-    syntaxCheck                 = "false">
+    stopOnFailure               = "false">
 
 <testsuites>
     <testsuite name="Helpers">
         <directory>helpers</directory>
     </testsuite>
-    <testsuite name="Libraries">
-        <directory>libraries</directory>
-    </testsuite>
-    <testsuite name="Models">
-        <directory>models</directory>
-    </testsuite>
 </testsuites>
 
 </phpunit>