simpler build

includes test. somehow failing tests are not part of the result??
possibly overwrite the errorformat?

nvim/.config/nvim/compiler/zig.vim

@@ -7,12 +7,7 @@ let current_compiler = "zig"
 let s:save_cpo = &cpo
 set cpo&vim
 
-" a subcommand must be provided for the this compiler (test, build-exe, etc)
-if has('patch-7.4.191')
-    CompilerSet makeprg=zig\ \$*\ \%:S
-else
-    CompilerSet makeprg=zig\ \$*\ \"%\"
-endif
+CompilerSet makeprg=zig\ build\ test\ &&\ zig\ build\ run
 
 " TODO: improve errorformat as needed.