Test fx subcommands

CommandDescription
run-host-testsDEPRECATED! build and run tests on host
run-testDEPRECATED! build a test package and run on target.
run-test-componentDEPRECATED! build a test package and run on target.
self-testrun tests of fx and subcommands
testEntry point for all Fuchsia tests (host, target and end-to-end)
testgenComponent integration test auto-generator
core-testsrun zircon core-tests
dart-remote-testruns a single remote test target through //scripts/run-dart-action.py
exec-host-tests
run-e2e-testsrun e2e tests
smoke-testFinds and runs tests affected by the current change.
test-statsQuery and calculate test stats.
test-stats.pyQuery and calculate test stats.