Add a note on how to run tests to README.md

README.md

@@ -182,5 +182,13 @@ def simple_consume( msg ):
     print msg
 ```
 
-###TODO
+###TESTING
+
+From the root of this project, run:
 
+```bash
+$ python -m muskrat.tests.test_s3consumer
+$ python -m muskrat.tests.test_producer
+```
+
+###TODO