Adding version test.

atticmatic/tests/integration/test_version.py

@@ -0,0 +1,8 @@
+import subprocess
+
+
+def test_setup_version_matches_news_version():
+    setup_version = subprocess.check_output(('python', 'setup.py', '--version')).decode('ascii')
+    news_version = open('NEWS').readline()
+
+    assert setup_version == news_version