diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d9c3c9e2cab..2fa85f0095e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -47,8 +47,34 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - name: Download reference data
-        run: bash .ci-helpers/download_reference_data.sh
+      # - name: Download reference data
+      #   run: bash .ci-helpers/download_reference_data.sh
+
+      - name: Clone tardis-sn/tardis-refdata
+        uses: actions/checkout@v2
+        with:
+          repository: tardis-sn/tardis-refdata
+          path: tardis-refdata
+
+      - name: Create LFS file list
+        run: git lfs ls-files -l | cut -d' ' -f1 | sort > .lfs-assets-id
+        working-directory: tardis-refdata
+
+      - name: Restore LFS cache
+        uses: actions/cache@v2
+        id: lfs-cache
+        with:
+          path: tardis-refdata/.git/lfs
+          key: ${{ runner.os }}-lfs-${{ hashFiles('tardis-refdata/.lfs-assets-id') }}-v1
+
+      - name: Git LFS Pull
+        run: git lfs pull
+        working-directory: tardis-refdata
+
+      - name: see file size
+        run: ls -lrtsh -a
+        working-directory: tardis-refdata
+    
 
       - name: Setup environment
         uses: conda-incubator/setup-miniconda@v2
@@ -72,7 +98,7 @@ jobs:
         run: pip install -e .
 
       - name: Run tests
-        run: pytest tardis ${{ env.PYTEST_FLAGS }}
+        run: pytest tardis -x ${{ env.PYTEST_FLAGS }}
 
       - name: Upload to Codecov
         run: bash <(curl -s https://codecov.io/bash)