public function testGetCustomOptionShouldReturnFalseWhenNoCustomOptionFound()
{
$fieldHandle = 'handle';
$mockPluginsService = $this->getMock('Craft\\PluginsService');
$mockPluginsService->expects($this->any())->method('call')->with('registerImportOptionPaths')->willReturn(array());
$this->setComponent(craft(), 'plugins', $mockPluginsService);
$service = new ImportService();
$result = $service->getCustomOption($fieldHandle);
$this->assertFalse($result);
}