[django/django] ae3fe6: Reordered setUp code in prefetch_related tests.

[GitHub]

Branch: refs/heads/master
Home: https://github.com/django/django
Commit: ae3fe6ccbb925236aa3cfc9173d2d307634fded4
https://github.com/django/django/commit/ae3fe6ccbb925236aa3cfc9173d2d307634fded4
Author: Aymeric Augustin <aymeric....@oscaro.com>
Date: 2014-06-05 (Thu, 05 Jun 2014)

Changed paths:
M tests/prefetch_related/tests.py

Log Message:
-----------
Reordered setUp code in prefetch_related tests.

This allows these tests to run on databases that reject duplicate NULL
values in unique fields e.g. SQL Server.

Forward port of 4fb50a9a from stable/1.7.x.