test: update test-child-process-recv-handle
Checklist
-
make -j4 test
(UNIX), orvcbuild test nosign
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
test
Description of change
change var to const/let where appropriate use strictEqual instead of equal call toString on buffers in strictEqual asserts use common.mustCall on callbacks containing asserts