Remove the test for abspath with an empty path - too hard to do in a cross-platform manner.
diff --git a/Lib/test/test_ntpath.py b/Lib/test/test_ntpath.py
index e458f62..ae9054b 100644
--- a/Lib/test/test_ntpath.py
+++ b/Lib/test/test_ntpath.py
@@ -36,7 +36,6 @@
 tester('ntpath.isabs("\\foo\\bar")', 1)
 
 tester('ntpath.abspath("C:\\")', "C:\\")
-tester('ntpath.abspath("")', os.getcwd())
 
 
 if errors: