Update test.yml

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
             echo $file
           done
       - name: Run step when README.md changes
-        if: contains("${{ steps.changed-files.outputs.modified_files }}", 'README.md')
+        if: contains(${{ steps.changed-files.outputs.modified_files }}, "README.md")
         run: |
             echo "Your README.md has been modified."
       - name: Run changed-files with comma separator