Test output directly

Author: neilvcarvalho

.github/workflows/integration.yml

@@ -56,19 +56,20 @@ jobs:
           git commit -m "Pin outdated packages"
 
       - name: Run in dry-run mode
+        id: run-importmaps-dry-run
         uses: ./
-        env:
-          IMPORTMAP_RUN_LOG: ${{ runner.temp }}/dry-run-output.txt
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           dry-run: "true"
           rails-root: ${{ runner.temp }}/test-app
 
       - name: Assert all outdated packages appear in dry-run output
+        env:
+          IMPORTMAP_RUN_LOG: ${{ jobs.run-importmaps-dry-run.steps.run-importmaps-update.outputs.run-log }}
         run: |
           failed=0
           for pkg in hotkeys-js is-svg just-extend local-time md5 tom-select; do
-            if grep -q "$pkg" $RUNNER_TEMP/dry-run-output.txt; then
+            if grep -q "$pkg" <<< "$IMPORTMAP_RUN_LOG"; then
               echo "✓ $pkg"
             else
               echo "✗ $pkg not found in output"