diff --git a/composer.json b/composer.json
index 3ae363f..fad0f80 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     "php": ">=5.3.0"
   },
   "require-dev": {
-    "tedivm/dovecottesting": "1.2.1",
+    "tedivm/dovecottesting": "1.2.2",
     "phpunit/phpunit": "4.0.*",
     "fabpot/php-cs-fixer": "0.4.0",
     "satooshi/php-coveralls": "dev-master"
diff --git a/tests/Fetch/Test/ServerTest.php b/tests/Fetch/Test/ServerTest.php
index 4d96247..0d854ad 100644
--- a/tests/Fetch/Test/ServerTest.php
+++ b/tests/Fetch/Test/ServerTest.php
@@ -19,6 +19,8 @@ use Fetch\Server;
  */
 class ServerTest extends \PHPUnit_Framework_TestCase
 {
+    static $num_messages_inbox = 12;
+
     /**
      * @dataProvider flagsDataProvider
      * @param string  $expected server string with %host% placeholder
@@ -97,7 +99,7 @@ class ServerTest extends \PHPUnit_Framework_TestCase
     {
         $server = Static::getServer();
         $numMessages = $server->numMessages();
-        $this->assertEquals(11, $numMessages);
+        $this->assertEquals(self::$num_messages_inbox, $numMessages);
     }
 
     public function testGetMessages()