fix(curl): suppress "Transfer-Encoding: chunked" added by last version of curl (#96)

Author: mremi

lib/WebDriver/Service/CurlService.php

@@ -54,6 +54,10 @@ public function execute($requestMethod, $url, $parameters = null, $extraOptions
                     curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($parameters));
                 } else {
                     $customHeaders[] = 'Content-Length: 0';
+
+                    // Suppress "Transfer-Encoding: chunked" header automatically added by cURL that
+                    // causes a 400 bad request (bad content-length).
+                    $customHeaders[] = 'Transfer-Encoding:';
                 }
 
                 // Suppress "Expect: 100-continue" header automatically added by cURL that
@@ -72,6 +76,10 @@ public function execute($requestMethod, $url, $parameters = null, $extraOptions
                     curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($parameters));
                 } else {
                     $customHeaders[] = 'Content-Length: 0';
+
+                    // Suppress "Transfer-Encoding: chunked" header automatically added by cURL that
+                    // causes a 400 bad request (bad content-length).
+                    $customHeaders[] = 'Transfer-Encoding:';
                 }
 
                 // Suppress "Expect: 100-continue" header automatically added by cURL that