tests/run-tests.py: Add a zephyr test target.

So that certain tests can be skipped when running on this target.  These
thread tests do not pass because the zephyr port cannot create more than 4
threads at once.

Signed-off-by: Damien George <damien@micropython.org>

tests/run-tests.py

@@ -637,6 +637,9 @@ def run_tests(pyb, tests, args, result_dir, num_threads=1):
  skip_tests.add("thread/thread_lock2.py")
  skip_tests.add("thread/thread_lock3.py")
  skip_tests.add("thread/thread_shared2.py")
+ elif args.target == "zephyr":
+ skip_tests.add("thread/stress_heap.py")
+ skip_tests.add("thread/thread_lock3.py")
 
  # Some tests shouldn't be run on pyboard
  if args.target != "unix":
@@ -1057,6 +1060,7 @@ def main():
  "qemu",
  "renesas-ra",
  "rp2",
+ "zephyr",
  )
  if args.list_tests:
  pyb = None