getMonitor('tracker'); $metrics = $monitor->getMetrics(); foreach($metrics as $metric) { if($metric->name() == 'monitor_id') { $this->assertFalse($metric->isMutable(), "Test that {$metric->name()} is not mutable"); } else { $this->assertTrue($metric->isMutable(), "Test that {$metric->name()} is mutable"); } } } } ?>