Support nose framework for the whole test suite.

--HG--
branch : trunk
diff --git a/tests/test_macros.py b/tests/test_macros.py
index e2e7bc2..8b3bdb9 100644
--- a/tests/test_macros.py
+++ b/tests/test_macros.py
@@ -7,6 +7,10 @@
     :license: BSD, see LICENSE for more details.
 """
 
+import conftest
+conftest.GlobalLoader.scope = globals()
+
+
 SIMPLE = '''\
 {% macro say_hello(name) %}Hello {{ name }}!{% endmacro %}
 {{ say_hello('Peter') }}\