tests: fix display

BoboTiG · BoboTiG · commit 7e811cd3d950 · 2016-10-07T12:50:50.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -14,7 +14,7 @@ before_install:
 install:
   - python setup.py install
 
-script: py.test --display="$DISPLAY"
+script: py.test --display=":99.0"
 
 matrix:
     fast_finish: true
diff --git a/README.rst b/README.rst
@@ -1,7 +1,7 @@
 Python MSS
 ==========
 
-.. image:: https://travis-ci.org/BoboTiG/python-mss.svg?branch=master
+.. image:: https://travis-ci.org/BoboTiG/python-mss.svg?branch=dev
     :target: https://travis-ci.org/BoboTiG/python-mss
 
 An ultra fast cross-platform multiple screenshots module in pure python using ctypes.
