public function testLoadPath()
    {
        $expected = <<<EOF
.foo {
  color: blue;
}
.foo {
  color: red;
}

EOF;
        $this->filter->addLoadPath(__DIR__ . '/fixtures/less');
        $asset = new StringAsset('@import "main";');
        $asset->load();
        $this->filter->filterLoad($asset);
        $this->assertEquals($expected, $asset->getContent(), '->filterLoad() adds load paths to include paths');
    }