Reduce the number of test-suite DeprecationWarnings; start adding
resetwarnings() calls too.
diff --git a/Lib/test/test_coercion.py b/Lib/test/test_coercion.py
index d39e6fd..6c0ee7b 100644
--- a/Lib/test/test_coercion.py
+++ b/Lib/test/test_coercion.py
@@ -1,5 +1,6 @@
 import copy
 import sys
+import warnings
 
 # Fake a number that implements numeric methods through __coerce__
 class CoerceNumber:
@@ -109,5 +110,11 @@
                 else:
                     print '=', x
 
-do_infix_binops()
-do_prefix_binops()
+warnings.filterwarnings("ignore",
+                        r'complex divmod\(\), // and % are deprecated',
+                        DeprecationWarning)
+try:
+    do_infix_binops()
+    do_prefix_binops()
+finally:
+    warnings.resetwarnings()