Test failure

[ajakk]

From the master branch:

$ make test
[...]
$ ./test
Available Loaders: PNM BMP GIF LBM XPM TGA.
Hello, World!
-1984 luftballons.
4294967197 negatives.
true
true
The answer is: 42
D.A said: The answer is: 42
Hello!
Hello, World!
Hello, World2!
test: gensio.cpp:123: virtual GenBuffer::Writable& SimBuffer::B::vformat(const char*, __va_list_tag*): Assertion `fixup_vsnprintf(s, n+1, fmt, ap) * 1U==did' failed.
Aborted (core dumped)

Are the tests maintained?