Can acutest add support like doctest's DOCTEST_CONFIG_DISABLE?

[laoshaw]

https://github.com/onqtam/doctest/blob/master/doc/markdown/configuration.md#doctest_config_disable

with this I can put some test case code right in the production code, this flag works just like NDEBUG for assertions which is very convenient sometimes. unfortunately doctest does not support C code.