test: improve punycode test coverage
Adds two additional tests for mapDomain function in punycode.js.
When an email address is given to the toASCII() and toUnicode() functions, only the parts before the '@' character should be encoded/decoded.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines
Affected core subsystem(s)
N/A