public function testLeftEyebrow()
{
$b = $this->landmarks->leftEyebrow();
$this->assertEquals($b['left'], $this->pos('LEFT_OF_LEFT_EYEBROW'));
$this->assertEquals($b['right'], $this->pos('RIGHT_OF_LEFT_EYEBROW'));
$this->assertEquals($b['upperMidpoint'], $this->pos('LEFT_EYEBROW_UPPER_MIDPOINT'));
}