Add a test for HTTP authentication and proper percent-decoding of the
userinfo (username and password) part of the URL.
Signed-off-by: NGabriel Corona <gabriel.corona@enst-bretagne.fr>
Acked-by: NTay Ray Chuan <rctay89@gmail.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>