test: add uv_inet_ntop(AF_INET) coverage
test: add uv_inet_ntop(AF_INET) coverage

Libuv had coverage for the AF_INET6 path but not the AF_INET path.
Now it does.

PR-URL: https://github.com/libuv/libuv/pull/2065
Reviewed-By: Refael Ackermann <0604a90ccdde7a0adfa2ff3857349859a7209740@gmail.com>
Reviewed-By: Richard Lau <8193d74c06330af7778ef55510160e4e561ed6a1@uk.ibm.com>

unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso