public function testLeftEyeBoundaries()
{
$b = $this->landmarks->leftEyeBoundaries();
$this->assertEquals($b['left'], $this->pos('LEFT_EYE_LEFT_CORNER'));
$this->assertEquals($b['top'], $this->pos('LEFT_EYE_TOP_BOUNDARY'));
$this->assertEquals($b['right'], $this->pos('LEFT_EYE_RIGHT_CORNER'));
$this->assertEquals($b['bottom'], $this->pos('LEFT_EYE_BOTTOM_BOUNDARY'));
}