micropython: add micropython component

components/language/micropython/tests/basics/bytearray_append.py

@@ -0,0 +1,15 @@
+# test bytearray.append method
+
+a = bytearray(4)
+print(a)
+
+# append should append a single byte
+a.append(2)
+print(a)
+
+# a should not be modified if append fails
+try:
+    a.append(None)
+except TypeError:
+    print('TypeError')
+print(a)