- assure that python script was really run and produced good result

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33194 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/tests/assertSoftware.py

@@ -20,7 +20,9 @@ print sys.version_info[:2]
       f.close()
       f_stat = os.stat(name)
       os.chmod(name, f_stat.st_mode | stat.S_IXUSR)
-      self.assertEqual(0, subprocess.call([name]))
+      result = ''.join(subprocess.Popen([name], stdout=subprocess.PIPE)\
+          .stdout.readlines()).strip()
+      self.assertEqual('(2, 4)', result)
     finally:
       os.unlink(name)