public function testInitRegistersPluginManager()
{
$event = new ModuleEvent();
$event->setParam('ServiceManager', $this->serviceLocator);
$this->moduleManager->expects(self::any())->method('getEvent')->willReturn($event);
$this->serviceLocator->setService('ServiceListener', $this->serviceListener);
$this->serviceListener->expects(self::atLeastOnce())->method('addServiceManager');
$actual = $this->sut->init($this->moduleManager);
self::assertNull($actual);
}
