Add EBICS server timeout exception

src/Exceptions/TimeoutEbicsException.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace EbicsApi\Ebics\Exceptions;
+
+final class TimeoutEbicsException extends EbicsException
+{
+}

src/Services/CurlHttpClient.php

@@ -3,6 +3,7 @@
 namespace EbicsApi\Ebics\Services;
 
 use EbicsApi\Ebics\Contracts\HttpClientInterface;
+use EbicsApi\Ebics\Exceptions\TimeoutEbicsException;
 use EbicsApi\Ebics\Models\Http\Request;
 use EbicsApi\Ebics\Models\Http\Response;
 use RuntimeException;
@@ -17,6 +18,7 @@ final class CurlHttpClient extends HttpClient implements HttpClientInterface
 {
     /**
      * @inheritDoc
+     * @throws \EbicsApi\Ebics\Exceptions\TimeoutEbicsException
      */
     public function post(string $url, Request $request): Response
     {
@@ -35,14 +37,15 @@ public function post(string $url, Request $request): Response
         curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
         curl_setopt($ch, CURLOPT_FAILONERROR, true);
+        curl_setopt($ch, CURLOPT_TIMEOUT, 400);
         $contents = curl_exec($ch);
         if (curl_errno($ch)) {
             $errorMsg = curl_error($ch);
         }
         curl_close($ch);
 
         if (!is_string($contents)) {
-            throw new RuntimeException('Response is not a string. '. ($errorMsg ?? ''));
+            throw new TimeoutEbicsException('EBICS Bank response is not a string. Timeout is 400s. '. ($errorMsg ?? ''));
         }
 
         return $this->createResponse($contents);