Fix inheritance in TestDataLoaderUtil

[ZainRizvi]

TestDataLoaderUtils needs to run it's parent class's setUp method to actually disable flaky tests (see #70516 (comment) for details)

[pytorch-bot]

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❌ 2 Failures

As of commit 7e47971:

The following jobs have failed:

• macos-12-py3-arm64 / test (default, 2, 2, macos-m1-12)
• macos-12-py3-arm64-mps / Run MPS tests

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[pytorch-bot]

This PR has been accepted with the accept2ship label. Attempting to merge now.

@pytorchbot merge -l

[pytorchmergebot]

@pytorchbot successfully started a merge job. Check the current status here.
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[pytorchmergebot]

The merge job was canceled. If you believe this is a mistake,then you can re trigger it through pytorch-bot.

[malfet]

@pytorchbot merge -g

Cancelled previous workflow, as PR title would otherwise be very confusing

[pytorchmergebot]

@pytorchbot successfully started a merge job. Check the current status here.
The merge job was triggered with the green (-g) flag. This means that your change will be merged once all checks on your PR have passed (ETA: 0-4 Hours). If this is not the intended behavior, feel free to use some of the other merge options in the wiki.
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[pytorchmergebot]

Merge failed

Reason: 3 additional jobs have failed, first few of them are: trunk ,trunk / macos-12-py3-arm64-mps / Run MPS tests ,trunk / macos-12-py3-arm64 / test (default, 2, 2, macos-m1-12)

Details for Dev Infra team

Raised by workflow job

[ZainRizvi]

@pytorchmergebot merge -f "Errors are unrelated"

[pytorchmergebot]

@pytorchbot successfully started a merge job. Check the current status here.
The merge job was triggered with the force (-f) flag. This means your change will be merged immediately, bypassing any CI checks (ETA: 1-5 minutes). If this is not the intended behavior, feel free to use some of the other merge options in the wiki.
Please reach out to the PyTorch DevX Team with feedback or questions!