'Test additional slugify'

def test_slugify(self):

    self.assertEqual(slugify('This    is    a    test'), 'this-is-a-test')
    self.assertEqual(slugify('project_with_underscores-v.1.0'), 'project-with-underscores-v10')
    self.assertEqual(slugify('project_with_underscores-v.1.0', dns_safe=False), 'project_with_underscores-v10')
    self.assertEqual(slugify('A    title_-_with    separated    parts'), 'a-title-with-separated-parts')
    self.assertEqual(slugify('A    title_-_with    separated    parts', dns_safe=False), 'a-title_-_with-separated-parts')
