Merge pull request nsqio#257 from mreiferson/readme-update

readme: update test badge, test dependencies

README.md

@@ -1,6 +1,6 @@
 ## pynsq
 
-[![Build Status](https://secure.travis-ci.org/nsqio/pynsq.svg)](http://travis-ci.org/nsqio/pynsq) [![GitHub release](https://img.shields.io/github/release/nsqio/pynsq.svg)](https://github.com/nsqio/pynsq/releases/latest) [![PyPI](https://img.shields.io/pypi/v/pynsq.svg)](https://pypi.org/project/pynsq)
+[![Build Status](https://github.com/nsqio/pynsq/workflows/tests/badge.svg)](https://github.com/nsqio/pynsq/actions) [![GitHub release](https://img.shields.io/github/release/nsqio/pynsq.svg)](https://github.com/nsqio/pynsq/releases/latest) [![PyPI](https://img.shields.io/pypi/v/pynsq.svg)](https://pypi.org/project/pynsq)
 
 The official Python client library for [NSQ][nsq].
 
@@ -14,14 +14,7 @@ For HTML documentation, visit [https://pynsq.readthedocs.org/](https://pynsq.rea
 
 ### Tests
 
-These are the prerequisites for running tests:
-
-     sudo apt-get install libsnappy-dev
-     wget http://bitly-downloads.s3.amazonaws.com/nsq/nsq-0.3.5.linux-amd64.go1.4.2.tar.gz
-     tar zxvf nsq-0.3.5.linux-amd64.go1.4.2.tar.gz
-     sudo cp nsq-0.3.5.linux-amd64.go1.4.2/bin/{nsqd,nsqlookupd} /usr/local/bin
-
-To run test cases:
+`nsqd` and `nsqlookupd` are required to run tests, see [installing](https://nsq.io/deployment/installing.html).
 
      python setup.py test