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

def test_delete(self):

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