Enhance debugging output in OAuth2 mock endpoints and update MongoDB version in tests. Added var_dump statements for better traceability during OAuth2 flows and adjusted test assertions for user search functionality.

src/Appwrite/Auth/OAuth2/Mock.php

@@ -57,6 +57,14 @@ class Mock extends OAuth2
     protected function getTokens(string $code): array
     {
         if (empty($this->tokens)) {
+            var_dump('Tring to get tokes from url:  http://localhost/' . $this->version . '/mock/tests/general/oauth2/token?' .
+            \http_build_query([
+                'client_id' => $this->appID,
+                'redirect_uri' => $this->callback,
+                'client_secret' => $this->appSecret,
+                'code' => $code
+            ]));
+          
             $this->tokens = \json_decode($this->request(
                 'GET',
                 'http://localhost/' . $this->version . '/mock/tests/general/oauth2/token?' .
@@ -68,7 +76,7 @@ class Mock extends OAuth2
                     ])
             ), true);
         }
-
+        var_dump('@@@@@@@@@');
         return $this->tokens;
     }