ci: Fix dataset downloading errors

.github/workflows/ci_test-full.yml

@@ -80,12 +80,38 @@ jobs:
         path: ./datasets
         key: pl-datasets-${{ hashFiles('tests/conftest.py') }}
 
+    - name: Check cached datasets
+      shell: bash
+      run: |
+        ls -lh
+        echo =======
+        ls -lh datasets
+        echo ======
+        if command -v asdf >/dev/null; then du datasets; fi
+        # Commented out because the below lines takes too long on macOS and Windows for unknown reason.
+        #echo =======
+        #find / -iname "MNIST" 2> /dev/null || echo mnist not found
+        #find / -iname "CIFAR10" 2> /dev/null || echo cifar10 not found
+
     - name: Tests
       run: |
         # tox --sitepackages
-        coverage run --source pl_bolts -m py.test pl_bolts tests -v --junitxml=junit/test-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}.xml
+        coverage run --source pl_bolts -m pytest pl_bolts tests -x -v --junitxml=junit/test-results-${{ runner.os }}-${{ matrix.python-version }}-${{ matrix.requires }}.xml
         coverage xml
 
+    - name: Check cached datasets
+      shell: bash
+      run: |
+        ls -lh
+        echo =======
+        ls -lh datasets
+        echo =======
+        if command -v asdf >/dev/null; then du datasets; fi
+        # Commented out because the below lines takes ages on macOS and Windows for unknown reason.
+        #echo =======
+        #find / -iname "MNIST" 2> /dev/null || echo mnist not found
+        #find / -iname "CIFAR10" 2> /dev/null || echo cifar10 not found
+
     - name: Upload pytest test results
       uses: actions/upload-artifact@v2
       with: