Manually specify the output of methoddescr.py

The behavior changed in CPython 2.7.4, and Travis-CI runs 2.7.3.

Author: kmod

test/tests/methoddescr.expected

@@ -1,2 +1,5 @@
+# This code was legal in CPython 2.7.3 but became illegal in 2.7.4
+# (there is a methoddescr.expected file for this test)
+
 for i in xrange(1000):
-    print float.__dict__['fromhex'](float, "f0.04a")
+    float.__dict__['fromhex'](float, "f0.04a")