Version 0.3.0.

Because previous commit was radical sanity restoration.

R=sergiyb@chromium.org
BUG=

Review URL: https://codereview.chromium.org/2190723003 .
diff --git a/testing_support/__init__.py b/testing_support/__init__.py
index 41cf974..8805688 100644
--- a/testing_support/__init__.py
+++ b/testing_support/__init__.py
@@ -4,7 +4,7 @@
 
 """Utilities to support writing unittests for infra-related tools."""
 
-__version__ = '0.2.0'
+__version__ = '0.3.0'
 __author__ = 'The Chromium Infrastructure Team'
 __email__ = 'infra-dev@chromium.org'
 __url__ = 'https://chromium.googlesource.com/infra/testing/testing_support/'