Enable integration tests

[samanklesaria]

Enable CI integration tests.

[pytorch-bot]

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/audio/4092

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As of commit 8b90fdf with merge base 7260d09 ():
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[samanklesaria]

Even though CUDA builds should be turned off, we're still getting compiler errors about missing CUDA. I think I should copy the installation strategy of the other CI scripts and use conda rather than the system packages.

[samanklesaria]

The wav2vec2_pipeline_test and rnnt_pipeline_test both read flac assets that get downloaded from "https://download.pytorch.org/torchaudio/". But scipy doesn't allow loading flac files: We get the error " File format b'fLaC' not understood". We really need to use torchcodec for this, not torchaudio. The original reason we had used the scipy hack was because we couldn't get a recent enough ffmpeg version installed on the CI machines. But now that we're completely ignoring the pytorch-infra conda environment and building our own, we might not need to do that. I'll make a separate PR that tries to get the linux unit tests to run without the scipy hack.

[samanklesaria]

Looks good to me!

[pearu]

LGTM!