Fix SOAP test

Doesn't look like these warnings are present anymore.

Author: nikic

ext/soap/tests/bugs/bug34657.phpt

@@ -25,11 +25,6 @@ try {
 }
 ?>
 --EXPECTF--
-Warning: SoapClient::SoapClient(): %s %sbug34657.php on line 3
-
-Warning: SoapClient::SoapClient(http://i_dont_exist.com/some.wsdl): failed to open stream: %sbug34657.php on line 3
-
-Warning: SoapClient::SoapClient(): I/O warning : failed to load external entity "http://i_dont_exist.com/some.wsdl" in %sbug34657.php on line 3
 SoapFault
 SOAP-ERROR: Parsing WSDL: Couldn't load from 'http://i_dont_exist.com/some.wsdl'%S
 ok