test: added more controller tests for the public API (#3830)

Author: thorsten

phpmyfaq/src/phpMyFAQ/Database/PdoMysql.php

@@ -271,7 +271,7 @@ public function query(string $query, int $offset = 0, int $rowcount = 0): mixed
         try {
             $result = $this->pdo->query($query);
         } catch (PDOException $pdoException) {
-            throw new Exception($pdoException->getMessage());
+            throw new Exception($pdoException->getMessage() . ' in query: ' . $query);
         }
 
         if (false === $result) {