[JSConf CN Code&Learn] Replace the string concatenation with template literals
[JSConf CN Code&Learn]
Replace string concatenation in test /parallel/test-http-upgrade-client2.js with template literals.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines
Affected core subsystem(s)
no. Just update tests.