/**
* @test
*/
public function addWriterAddsWriterAlsoToHigherLevelsThanSpecified()
{
$logger = new Logger('test.core.log');
$writer = new Fixtures\WriterFixture();
$logger->addWriter(LogLevel::NOTICE, $writer);
$writers = $logger->getWriters();
$this->assertContains($writer, $writers[LogLevel::EMERGENCY]);
}