public void CheckFirstLinesOfFiles()
{
Assert.That(_files[0].StartsWith("#test{background-color:red;}"));
Assert.That(_files[1].StartsWith("#test{background-color:green;}"));
Assert.That(_files[2].StartsWith("#test{background-color:blue;}"));
Assert.That(_files[3].EndsWith("#test{background-color:white;}"));
}
}