/**
  * Override log level
  */
 public function testConstructorLogLevel()
 {
     $logger = new Logger(LogLevel::ERROR);
     $logger->attach($this->test_logger);
     $this->assertCount(0, $this->test_logger->messages);
     $logger->info("test1");
     $this->assertCount(0, $this->test_logger->messages);
     $logger->error("test2");
     $this->assertCount(1, $this->test_logger->messages);
     $logger->emergency("test3");
     $this->assertCount(2, $this->test_logger->messages);
     $logger->debug("test4");
     $this->assertCount(2, $this->test_logger->messages);
 }