Revert one of the "division fixes" in test_long. It intends to try both

"/" and "//", and doesn't really care what they *mean*, just that both
are tried (and that, whatever they mean, they act similarly for int and
long arguments).

Lib/test/test_long.py

@@ -296,8 +296,8 @@ def test_auto_overflow():
             checkit(x, '*', y)
 
             if y:
-                expected = longx // longy
-                got = x // y
+                expected = longx / longy
+                got = x / y
                 checkit(x, '/', y)
 
                 expected = longx // longy