public async void TestFeatures()
{
IBranch branch = await Fixture.Repository.ReadBranchAsync("master");
IBaseNode node = await branch.CreateNodeAsync(new JObject());
List <string> featureIds = node.GetFeatureIds();
Assert.NotEmpty(featureIds);
JObject filenameObj = new JObject(
new JProperty("filename", "file1")
);
await node.AddFeatureAsync("f:filename", filenameObj);
featureIds = node.GetFeatureIds();
Assert.Contains("f:filename", featureIds);
Assert.True(node.HasFeature("f:filename"));
JObject featureObj = node.GetFeature("f:filename");
Assert.Equal("file1", featureObj.GetValue("filename"));
await node.RemoveFeatureAsync("f:filename");
featureIds = node.GetFeatureIds();
Assert.DoesNotContain("f:filename", featureIds);
Assert.False(node.HasFeature("f:filename"));
Assert.Null(node.GetFeature("f:filename"));
}