add testing wavs

testing/test_inference.py

@@ -0,0 +1,6 @@
+def func(x):
+    return x + 1
+
+
+def test_answer():
+    assert func(3) == 4

testing/unit_tests.py

@@ -1,4 +0,0 @@
-
-
-def test_model_inference():
-    assert 1 == 1