'CreateModel should absorb RenameModels.'

def test_create_rename_model(self):

    managers = [('objects', EmptyManager())]
    self.assertOptimizesTo([migrations.CreateModel(name='Foo', fields=[('name', models.CharField(max_length=255))], options={'verbose_name': 'Foo'}, bases=(UnicodeModel,), managers=managers), migrations.RenameModel('Foo', 'Bar')], [migrations.CreateModel('Bar', [('name', models.CharField(max_length=255))], options={'verbose_name': 'Foo'}, bases=(UnicodeModel,), managers=managers)])
