[evolution] tests: set evo as default email client

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 6f0baa0627a847e5f84c16fc97acf5eee6d0068e
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Thu Apr 24 23:32:11 2014 +0200

    tests: set evo as default email client

 tests/environment.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/tests/environment.py b/tests/environment.py
index a9098e6..c9165e0 100644
--- a/tests/environment.py
+++ b/tests/environment.py
@@ -16,6 +16,9 @@ def before_all(context):
     """
 
     try:
+        # Set evolution as default email client
+        os.system("echo 'x-scheme-handler/mailto=evolution.desktop' >>  
~/.local/share/applications/mimeapps.list")
+
         # Close running evo instances
         os.system("evolution --force-shutdown > /dev/null")