public function testRenderJsContainerKMLLayers()
    {
        $map = new Map();
        $map->setJavascriptVariable('map');
        $map->addKMLLayer($kmlLayer = new KMLLayer('url'));
        $kmlLayer->setJavascriptVariable('kml_layer');
        $expected = <<<EOF
map_container.kml_layers.kml_layer = kml_layer = new google.maps.KmlLayer("url", {"map":map});

EOF;
        $this->assertSame($expected, $this->mapHelper->renderJsContainerKMLLayers($map));
    }