patch 8.0.1776: in tests, when WaitFor() fails it doesn't say why commit https://github.com/vim/vim/commit/0e9d1ae3216a5940b36bb56d155fb300b2e55b00 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 30 14:28:24 2018 +0200 patch 8.0.1776: in tests, when WaitFor() fails it doesn't say why Problem: In tests, when WaitFor() fails it doesn't say why. Solution: Turn a few more WaitFor() into WaitForAssert().

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")