Elastica\Query\MoreLikeThis::setBoost PHP Method

    public function setBoost($boost)
    {
        return $this->setParam('boost', (double) $boost);
    }

 /**
  * @group unit
  */
 public function testSetBoost()
 {
     $query = new MoreLikeThis();
     $boost = 1.3;
     $query->setBoost($boost);
     $this->assertEquals($boost, $query->getParam('boost'));
 }