task test, "run all tests":
  var test_subdir1 = false
  for i in countdown(paramCount(), 1):
    if i.paramStr == "subdir1":
      test_c64 = true
      break
  if test_c64:
    for entry in walkDir("tests/subdir1"):
      let path = entry.path
      if path.contains("/test_") and path.endsWith(".nim"):
        echo "nim r " & path