Sortformer Diarizer 4spk v1 model PR Part 2: Unit-tests for Sortformer Diarizer.

[tango4j]

What does this PR do ?

This is the second PR that deals with unit tests for
Sortformer Diarizer Model, 4 speaker limit, v1 model.

Previous PR:
This is PR 2nd out of 3.
1st PR: #11336
3rd PR:

Sortformer Paper:
Sortformer Paper Link

Overview:

• We moved all the speaker recognition related test files from
  NeMo/tests/collections/asr to NeMo/tests/collections/speaker_tasks.
• We have added all Sortformer diarizer related unit-test functions and classes.

Collection: ASR

Changelog

Updated the test_data.tar.gz file in https://github.com/NVIDIA/NeMo/releases/tag/v1.0.0rc1

NeMo/tests/collections/speaker_tasks/.
├── test_diar_datasets.py (moved, modified)
├── test_diar_label_models.py (moved, modified)
├── test_diar_lhotse_datasets.py (created)
├── test_diar_metrics.py (moved, modified)
├── test_diar_neural_inference.py (moved, modified) 
├── test_diar_sortformer_models.py (created)
├── test_speaker_label_models.py (moved)
└── utils
    ├── test_data_simul_utils.py (moved)
    ├── test_diar_utils.py (moved)
    ├── test_multispeaker_utils.py (created)
    └── test_vad_utils.py (moved)

Usage

pytest <NeMo Root>/tests/collections/speaker_tasks/*

GitHub Actions CI

Added the new CIs for Sortformer Diarizer.

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[github-actions]

beep boop 🤖: 🚨 The following files must be fixed before merge!

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[github-actions]

beep boop 🤖: 🙏 The following files have warnings. In case you are familiar with these, please try helping us to improve the code base.

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