ci: fix failing tests

.forgejo/workflows/test.yml

@@ -15,9 +15,11 @@ jobs:
       - uses: actions/setup-node@v4
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v31
+        with:
+          extra_nix_config:
+            sandbox = true
       - run: nix profile install nixpkgs#devenv
       - uses: rharkor/caching-for-turbo@v1.8
-      - run: rm -rf /homeless-shelter
       - name: Run tests
         shell: devenv shell bash -- -e {0}
         run: |