added test with Self as argument
added test with Self as argument

dinfuehr/dora,riginding/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,dinfuehr/dora,riginding/dora,dinfuehr/dora,riginding/dora,riginding/dora,riginding/dora,riginding/dora,dinfuehr/dora