public function testUpdateCustomFields()
{
$sims = array('234234', '23411');
$cf = array('customField1' => 'custom field 1', 'customField2' => 'custom field 2', 'customField3' => 'custom field 3', 'customField4' => 'custom field 4');
$customFields = new \Application\Model\Sim\CustomFieldsModel($cf);
$response = $this->simMapper->updateCustomFields($customFields, $sims);
$this->assertNotNull($response);
}