Tests

implement MessagePort and MessageChannel #11229

Job	Run time
fixup / block-fixup	6s
labels / InternalPRRequired	1s
lint / bazel	7m 1s
test (linux, ubuntu-22.04) / bazel	7m 10s
test (linux, ubuntu-22.04, -asan) / bazel	9m 40s
test (linux, ubuntu-22.04, -debug) / bazel	7m 34s
test (macOS, macos-15) / bazel	5m 35s
test (windows, windows-2025) / bazel	13m 26s
	50m 33s

Provide feedback