/**
  * Test getter/setter for metricType property
  */
 public function testGetSetMetricFamily()
 {
     $this->assertNull($this->attribute->getMetricFamily());
     // Change value and assert new
     $type = 'weight';
     $this->assertEntity($this->attribute->setMetricFamily($type));
     $this->assertEquals($type, $this->attribute->getMetricFamily());
 }