testing info and ignore (#100)

.dockerignore

@@ -9,3 +9,4 @@ Makefile
 docker-compose.yml
 .travis.yml
 test
+Makefile

README.md

@@ -1,6 +1,6 @@
 # Cachet Docker Image
 
-This is the official repository of the [Docker image](https://hub.docker.com/r/cachethq/docker/) for [Cachet](https://github.com/cachethq/Cachet). 
+This is the official repository of the [Docker image](https://hub.docker.com/r/cachethq/docker/) for [Cachet](https://github.com/cachethq/Cachet).
 
 [Cachet](https://github.com/cachethq/Cachet) is a beautiful and powerful open source status page system, a free replacement for services such as StatusPage.io, Status.io and others.
 
@@ -19,3 +19,9 @@ For a full list of Cachet versions released as Docker images  please see the [li
 The master branch and `cachethq/docker:latest` Docker automated build are a work in progress / development version of the upstream [Cachet](https://github.com/CachetHQ/Cachet) project. This should not be used in a production environment as it may change at any time.
 
 Please use a [tagged Cachet Docker image release](https://github.com/CachetHQ/Docker/releases) or utilize one of the tagged builds from https://hub.docker.com/r/cachethq/docker/tags/ with `docker pull cachethq/docker:2.2.1`.
+
+# Testing
+
+Pull requests must pass the [Bash Automated Testing System](https://github.com/sstephenson/bats) tests, which run on [Travis CI](https://travis-ci.org/CachetHQ/Docker) via located in the [test](test) directory.
+
+Use `make test` to manually run the tests.