[gnome-boxes] tests: Add 5 seconds sleep after snapshot revert

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 6a341328fca960a4dc3f7c2ead65bdde3835a24d
Author: Vladimir Benes <benesv email cz>
Date:   Wed Feb 18 17:35:54 2015 +0100

    tests: Add 5 seconds sleep after snapshot revert
    
    Time it takes to revert VMs to snapshots varies a lot so lets wait at
    least 5 seconds before checking for the process to have finished.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744703

 tests/snapshots.feature |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tests/snapshots.feature b/tests/snapshots.feature
index 7425dfa..01a9494 100644
--- a/tests/snapshots.feature
+++ b/tests/snapshots.feature
@@ -17,9 +17,11 @@ Feature: Snapshots
     When "network down" is visible with command "virsh snapshot-current boxes-unknown |grep description"
     When Cannot ping "Core-5"
     * Revert machine "Core-5" to state "working network"
+    * Wait for "sleep 5" end
     When "working network" is visible with command "virsh snapshot-current boxes-unknown |grep description"
     When Ping "Core-5"
     * Revert machine "Core-5" to state "network down"
+    * Wait for "sleep 5" end
     Then Cannot ping "Core-5"
 
   @delete_snapshots