Mark test_all_imports as xfail on Py2.6 (due to an extra list() call in Py2.6's lib2to3)

Author: edschofield

future/tests/test_futurize.py

@@ -1171,6 +1171,7 @@ class TestFuturizeAllImports(CodeHandler):
     """
     Tests "futurize --all-imports".
     """
+    @expectedFailurePY26
     def test_all_imports(self):
         before = """
         import math