For current directory use os.curdir, not ".".
diff --git a/Lib/test/test_gettext.py b/Lib/test/test_gettext.py
index 5e61ba5..d31cac2 100644
--- a/Lib/test/test_gettext.py
+++ b/Lib/test/test_gettext.py
@@ -140,8 +140,8 @@
 
 try:
     setup()
-    test_api_1('.', MOFILE)
-    test_api_2('.', MOFILE)
+    test_api_1(os.curdir, MOFILE)
+    test_api_2(os.curdir, MOFILE)
 finally:
     teardown()
     pass