Improved test invokation. Picks up doctests within Jinja now, changed
doctests that just show usage that would not work on their own so that
they are standard code blocks now and do not disturb testing.

--HG--
branch : trunk
diff --git a/tests/test_loaders.py b/tests/test_loaders.py
index 17e6bf1..64193f3 100644
--- a/tests/test_loaders.py
+++ b/tests/test_loaders.py
@@ -7,6 +7,7 @@
     :license: BSD, see LICENSE for more details.
 """
 
+import os
 import time
 import tempfile
 from jinja2 import Environment, loaders
@@ -20,7 +21,7 @@
     'justdict.html':        'FOO'
 })
 package_loader = loaders.PackageLoader('loaderres', 'templates')
-filesystem_loader = loaders.FileSystemLoader('loaderres/templates')
+filesystem_loader = loaders.FileSystemLoader('tests/loaderres/templates')
 function_loader = loaders.FunctionLoader({'justfunction.html': 'FOO'}.get)
 choice_loader = loaders.ChoiceLoader([dict_loader, package_loader])
 prefix_loader = loaders.PrefixLoader({