test: check uv_ip4_addr return value
Fixes Coverity errors.
Checklist
-
make -j4 test(UNIX), orvcbuild test(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
test: 2 asserts to C++ tests
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Fixes Coverity errors.
make -j4 test (UNIX), or vcbuild test (Windows) passestest: 2 asserts to C++ tests