code: def test_seed_generator_initialization(self):
      gen = seed_generator.SeedGenerator()
      self.assertIsNotNone(gen.state)
  
      seed = 12345
      gen = seed_generator.SeedGenerator(seed=seed)
      self.assertEqual(ops.convert_to_numpy(gen.state)[0], seed)
  
      with self.assertRaisesRegex(
          ValueError, "Argument `seed` must be an integer"
      ):
          seed_generator.SeedGenerator(seed="invalid_seed")
  
file_path: keras/keras/random/seed_generator_test.py
imports: import numpy
  import pytest
  from keras import backend
  from keras import ops
  from keras import testing
  from keras.random import seed_generator
label_desc: Use image node_id 1 for calling the SeedGeneratorTest obj's underlying member method code with example usage: obj.test_seed_generator_initialization() without return types