tests/pipelines/altdiffusion/test_alt_diffusion.py;AltDiffusionPipelineIntegrationTests;test_alt_diffusion_fast_ddim;expected_slice = np.array([0.4019, 0.4052, 0.3810, 0.4119, 0.3916, 0.3982, 0.4651, 0.4195, 0.5323])