Add testing for getId().

diff --git a/framework/Kolab_Storage/test/Horde/Kolab/Storage/Unit/Driver/MockTest.php b/framework/Kolab_Storage/test/Horde/Kolab/Storage/Unit/Driver/MockTest.php
index ad74cbd..962e88b 100644 (file)
--- a/framework/Kolab_Storage/test/Horde/Kolab/Storage/Unit/Driver/MockTest.php
+++ b/framework/Kolab_Storage/test/Horde/Kolab/Storage/Unit/Driver/MockTest.php
@@ -155,4 +155,9 @@ extends Horde_Kolab_Storage_TestCase
             $namespaces
         );
     }
+
+    public function testGetIdReturnsString()
+    {
+        $this->assertType('string', $this->getNullMock()->getId());
+    }
 }