[issue13450] add assertions to implement the intent in ''.format_map test

[akira]

Changes by akira <4kir4.1i at gmail.com>:


Removed file: http://bugs.python.org/file23747/correct-assertions-in-test_format_map.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13450>
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