Cache RosettaSciIO test data

Author: ericpre

.github/workflows/release.yml

@@ -274,7 +274,7 @@ jobs:
 
       - name: Check latest available hyperspy version
         run: |
-          conda activate "${{ env.install_dir }}"     
+          conda activate "${{ env.install_dir }}"
           python check_hyperspy_latest.py
 
       - name: Install xvfb
@@ -293,6 +293,23 @@ jobs:
           conda activate "${{ env.install_dir }}"
           mamba install ${{ env.TEST_DEPS }}
 
+      - name: Get rosettasciio tests data location
+        run: |
+          conda activate "${{ env.install_dir }}"
+          python -c "from rsciio.tests import registry; print(f'ROSETTASCIIO_TEST_DATA={str(registry.TESTS_PATH / \"data\") }')" >> $GITHUB_ENV
+
+      - name: Cache rosettasciio data
+        uses: actions/cache@v4
+        env:
+          # Increase this value to reset cache
+          CACHE_NUMBER: 0
+        with:
+          path: ${{ env.ROSETTASCIIO_TEST_DATA }}
+          key:
+            RosettaSciIO-test_data-${{ env.CACHE_NUMBER }}
+          restore-keys: |
+            RosettaSciIO-test_data-${{ env.CACHE_NUMBER }}
+
       - if: always()
         name: Test new distribution (HyperSpyUI)
         run: |