Apply suggestions from code review

Author: IlyasMoutawwakil

tests/openvino/test_diffusion.py

@@ -140,11 +140,10 @@ def test_compare_to_diffusers_pipeline(self, model_arch: str):
             if model_arch == "sana":
                 # resolution binning will lead to resize output to standard resolution and back that can interpolate floating-point deviations
                 inputs["use_resolution_binning"] = False
-            atol = 1e-4
 
             ov_output = ov_pipeline(**inputs, generator=get_generator("pt", SEED)).images
             diffusers_output = diffusers_pipeline(**inputs, generator=get_generator("pt", SEED)).images
-            np.testing.assert_allclose(ov_output, diffusers_output, atol=atol, rtol=1e-2)
+            np.testing.assert_allclose(ov_output, diffusers_output, atol=6e-3, rtol=1e-2)
 
         # test on inputs nondivisible on 64
         height, width, batch_size = 96, 96, 1