fix unit test for proxies

Author: gsouf

test/suites/PhantomJsClientTest.php

@@ -46,14 +46,4 @@ public function testSocks4Proxy()
     {
         $this->markTestSkipped('Phantomjs does not support socks4 proxies');
     }
-
-    public function testHttpProxy()
-    {
-        $this->markTestSkipped('http proxy server does not work yet');
-    }
-
-    public function testSocks5Proxy()
-    {
-        $this->markTestSkipped('socks5 proxy server does not work yet');
-    }
 }