micropython: add micropython component

components/language/micropython/tests/misc/sys_atexit.py

@@ -0,0 +1,21 @@
+# test sys.atexit() function
+
+import usys
+
+try:
+    usys.atexit
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+some_var = None
+
+
+def do_at_exit():
+    print("done at exit:", some_var)
+
+
+usys.atexit(do_at_exit)
+
+some_var = "ok"
+print("done before exit")