added testenv import to test current code

tests/test_events.py

@@ -1,5 +1,6 @@
 from unittest import TestCase
 
+import testenv
 from papers.events import Event
 
 

tests/test_paper.py

@@ -7,6 +7,7 @@ import shutil
 import yaml
 from pybtex.database import Person
 
+import testenv
 import fixtures
 from papers.paper import Paper