test output_format in video datasets #1169

Job	Run time
onnx / linux-job	37s
unittests-extended / linux-job	41s
unittests-linux (3.10, linux.12xlarge, cpu) / linux-job	26m 23s
unittests-linux (3.11, linux.12xlarge, cpu) / linux-job	23m 17s
unittests-linux (3.8, linux.12xlarge, cpu) / linux-job	40s
unittests-linux (3.8, linux.g5.4xlarge.nvidia.gpu, cuda, 11.8) / linux-job	19m 57s
unittests-linux (3.9, linux.12xlarge, cpu) / linux-job	36s
unittests-macos (3.10, macos-12) / macos-job	1m 28s
unittests-macos (3.11, macos-12) / macos-job	1m 26s
unittests-macos (3.8, macos-12) / macos-job	1m 17s
unittests-macos (3.8, macos-m1-12) / macos-job	30m 20s
unittests-macos (3.9, macos-12) / macos-job	3m 31s
unittests-windows (3.10, windows.4xlarge, cpu) / windows-job	1m 36s
unittests-windows (3.11, windows.4xlarge, cpu) / windows-job	1m 42s
unittests-windows (3.8, windows.4xlarge, cpu) / windows-job	1m 57s
unittests-windows (3.8, windows.g5.4xlarge.nvidia.gpu, cuda, 11.8) / windows-job	25s
unittests-windows (3.9, windows.4xlarge, cpu) / windows-job	2m 2s
	1h 57m 55s

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