[eog] tests: trap exceptions in before_tag

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 511f0a7ab95ea7425ea4702512203e5147d4e093
Author: Vadim Rutkovsky <vrutkovs redhat com>
Date:   Mon Jul 28 20:11:18 2014 +0200

    tests: trap exceptions in before_tag

 tests/environment.py |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/tests/environment.py b/tests/environment.py
index 08abbfa..2c30f48 100644
--- a/tests/environment.py
+++ b/tests/environment.py
@@ -30,11 +30,14 @@ def before_all(context):
 
 
 def before_tag(context, tag):
-    # Copy screenshots
-    if tag == 'screenshot':
-        context.save_screenshots = True
-        context.screenshot_dir = "../eog_screenshots"
-        makedirs(context.screenshot_dir)
+    try:
+        # Copy screenshots
+        if 'screenshot' in tag:
+            context.save_screenshots = True
+            context.screenshot_dir = "../eog_screenshots"
+            makedirs(context.screenshot_dir)
+    except Exception as e:
+        print("Error in before_tag: %s" % str(e))
 
 
 def after_step(context, step):