upload result of tests as artifacts

.github/workflows/build.yaml

@@ -119,6 +119,12 @@ jobs:
       - name: Build
         run: |
           nix build --print-build-logs --show-trace .#checks.x86_64-linux.${{ matrix.check }}
+          echo "resultPath=$(nix eval .#checks.x86_64-linux.vm_grocy_basic --raw)" >> $GITHUB_ENV
+      - name: Upload Build Result
+        uses: actions/upload-artifact@v4
+        with:
+          path: ${{ env.resultPath }}/**/*
+          overwrite: true
 
   results:
     name: Final Results

flake.nix

@@ -156,7 +156,7 @@
           // (vm_test "contracts-secret" ./test/contracts/secret.nix)
           ));
 
-        # Run nix .#playwright -- show-trace path/to/trace.zip
+        # Run nix .#playwright -- show-trace $(nix eval .#checks.x86_64-linux.vm_grocy_basic --raw)/trace/0.zip
         packages.playwright =
           pkgs.callPackage ({ stdenvNoCC, makeWrapper, playwright }: stdenvNoCC.mkDerivation {
             name = "playwright";