public function testCanResetBrokerByPassingNull() { $broker = new PluginBroker(); StaticFilter::setBroker($broker); $this->assertSame($broker, StaticFilter::getBroker()); StaticFilter::setBroker(null); $registered = StaticFilter::getBroker(); $this->assertNotSame($broker, $registered); $this->assertType('Zend\\Filter\\FilterBroker', $registered); }