adding code for failed test

Author: noahgift

chapter6/Makefile

@@ -0,0 +1,2 @@
+test:
+	python -m pytest --pdb 

chapter6/test_debug.py

@@ -0,0 +1,14 @@
+from hello_debug import add
+import pytest
+
+@pytest.fixture
+def myobj():
+    class Foo():pass
+    return Foo()
+
+def test_add():
+    assert add(1,2) == 3
+
+def test_add_object(myobj):
+    assert add(1,myobj) == 3
+