Webmozart\Expression\Traversal\ExpressionTraverser::getVisitors PHP Method

    public function getVisitors()
    {
        return $this->visitors;
    }

 public function testRemoveVisitor()
 {
     $visitor1 = $this->getMock('Webmozart\\Expression\\Traversal\\ExpressionVisitor');
     $visitor2 = $this->getMock('Webmozart\\Expression\\Traversal\\ExpressionVisitor');
     $this->traverser->addVisitor($visitor1);
     $this->traverser->addVisitor($visitor2);
     $this->traverser->addVisitor($visitor1);
     $this->traverser->removeVisitor($visitor1);
     $this->assertSame(array($visitor2), $this->traverser->getVisitors());
 }