lightning_i8_test.py, magenta_test.py, visual_wake_words_i8_test.py began failing on August 20th: https://github.com/iree-org/iree-samples/runs/7944684175?check_suite_focus=true ``` Max error (0): 0.372814 [ FAILED ] LightningI8Test.test_compile_tflite Max error (0): 0.238547 [ FAILED ] MagentaTest.test_compile_tflite Max error (0): 2.000000 [ FAILED ] VisualWakeWordsTest.test_compile_tflite