Upload dnmetis test tool for NPU inference

dnmetis/backend_C++/dnmetis_backend/tests/test.py

@@ -0,0 +1,8 @@
+import dnmetis_backend as m
+
+print(m.__version__)
+assert m.add(1, 2) == 3
+print("Test add Ok!")
+assert m.subtract(1, 2) == -1
+print("Test subtract Ok!")
+print("Test Ok!")