CurlHandler is only testable with PHP >= 5.5

Author: GeLoLabs

tests/Guzzle5CurlHttpAdapterTest.php

@@ -18,6 +18,18 @@
  */
 class Guzzle5CurlHttpAdapterTest extends Guzzle5HttpAdapterTest
 {
+    /**
+     * {@inheritdoc}
+     */
+    protected function setUp()
+    {
+        if (PHP_VERSION_ID < 50500) {
+            $this->markTestSkipped();
+        }
+
+        parent::setUp();
+    }
+
     /**
      * {@inheritdoc}
      */