[REVERT ME] reinstate prototype datasets CI

Author: pmeier

.github/workflows/prototype-tests.yml

@@ -28,13 +28,13 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install PyTorch nightly builds
-        run: pip install --progress-bar=off --pre torch --extra-index-url https://download.pytorch.org/whl/nightly/cpu/
+        run: pip install --progress-bar=off --pre torch torchdata --extra-index-url https://download.pytorch.org/whl/nightly/cpu/
 
       - name: Install torchvision
         run: pip install --progress-bar=off --no-build-isolation --editable .
 
       - name: Install other prototype dependencies
-        run: pip install --progress-bar=off scipy pycocotools h5py
+        run: pip install --progress-bar=off scipy pycocotools h5py iopath
 
       - name: Install test requirements
         run: pip install --progress-bar=off pytest pytest-mock pytest-cov
@@ -52,6 +52,16 @@ jobs:
             --cov-report=term-missing \
             test/test_prototype_features*.py
 
+      - name: Run prototype datasets tests
+        if: success() || ( failure() && steps.setup.conclusion == 'success' )
+        shell: bash
+        run: |
+          pytest \
+            --durations=20 \
+            --cov=torchvision/prototype/datasets \
+            --cov-report=term-missing \
+            test/test_prototype_datasets*.py
+
       - name: Run prototype transforms tests
         if: success() || ( failure() && steps.setup.conclusion == 'success' )
         shell: bash