Test suite polishing.

Author: boenrobot

nbproject/private/private.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project-private xmlns="http://www.netbeans.org/ns/project-private/1">
-    <coverage xmlns="http://www.netbeans.org/ns/code-coverage/1" enabled="false"/>
+    <coverage xmlns="http://www.netbeans.org/ns/code-coverage/1" enabled="true"/>
     <editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/1"/>
 </project-private>

tests/ConnectionTest.php

@@ -5,7 +5,10 @@
 
 class ConnectionTest extends \PHPUnit_Framework_TestCase
 {
-
+    
+    /**
+     * @var int
+     */
     public static $defaultSocketTimeout;
 
     public static function setUpBeforeClass()