New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/27165#discussion_r543371230

Comment:
```suggestion
	make check \
		TESTS="bpf.gen epoll_pwait.gen getcpu.gen open.gen read-write.gen readlink.gen seccomp-filter.gen mmap ioctl caps readv"
```

Would be nice if there was a target to explicitly exclude some tests.