public function testApiGetMimetype_ReturnsMimetype_UsingGetMetadataOnModel()
{
$path = 'path';
$array = ['key1' => 'val1', 'key2' => 'val2'];
$this->expect('getMimetype', [$path])->willReturn($array);
$this->assertEquals($array, $this->fs->getMimetype($path));
}