More changes of DeprecationWarning to FutureWarning.
diff --git a/Lib/test/test_b2.py b/Lib/test/test_b2.py
index d3653a5..d59e905 100644
--- a/Lib/test/test_b2.py
+++ b/Lib/test/test_b2.py
@@ -2,7 +2,7 @@
 
 import warnings
 warnings.filterwarnings("ignore", "hex../oct.. of negative int",
-                        DeprecationWarning, __name__)
+                        FutureWarning, __name__)
 
 from test.test_support import TestFailed, fcmp, TESTFN, unlink, vereq