Gittern\Iterator\RecursiveTreeIterator::setKeyBase PHP Method

    public function setKeyBase($key_base)
    {
        $this->key_base = $key_base;
    }

 public function testCanSetKeyBase()
 {
     $iterator = new RecursiveTreeIterator(array('foo' => 'bar'));
     $this->assertEquals('foo', $iterator->key());
     $iterator->setKeyBase('baz');
     $this->assertEquals('baz/foo', $iterator->key());
 }