'Cache deletion is transparently ignored on the dummy cache backend'

def test_delete(self):

    self.cache.set(u'key1', u'spam')
    self.cache.set(u'key2', u'eggs')
    self.assertEqual(self.cache.get(u'key1'), None)
    self.cache.delete(u'key1')
    self.assertEqual(self.cache.get(u'key1'), None)
    self.assertEqual(self.cache.get(u'key2'), None)
