Update how to install test dependencies

README.rst

@@ -96,9 +96,13 @@ To stop mopidy, press ``CTRL+C``.
 Running tests
 -------------
 
-To run tests, you need a couple of dependiencies which can be installed using
-pip::
+To run tests, you need a couple of dependiencies. Some can be installed through Debian/Ubuntu package management::
 
+    sudo aptitude install python-coverage
+
+The rest can be installed using pip::
+
+    sudo aptitude install python-pip python-setuptools bzr
     pip install -r test-requirements.txt
 
 Then, to run all tests::

test-requirements.txt

@@ -1,2 +1 @@
-coverage
 -e bzr+http://liw.iki.fi/bzr/coverage-test-runner/trunk/#egg=CoverageTestRunner

tests/__main__.py

@@ -1,14 +1,11 @@
-#! /usr/bin/env python
-
 import os
 import sys
 
 from CoverageTestRunner import CoverageTestRunner
 
-sys.path.insert(0,
-    os.path.abspath(os.path.join(os.path.dirname(__file__), '../')))
-
 def main():
+    sys.path.insert(0,
+        os.path.abspath(os.path.join(os.path.dirname(__file__), '../')))
     r = CoverageTestRunner()
     r.add_pair('mopidy/handler.py', 'tests/handlertest.py')
     r.run()