Rename regression test and simplify

Author: MasonM

.github/workflows/build-test.yml

@@ -82,12 +82,11 @@ jobs:
           echo "Expected: \"${{ matrix.version }}\", Got: \"${image_node_version}\""
           [ "${image_node_version}" == "${{ matrix.version }}" ]
 
-      - name: Regression test for issue 1456
+      - name: Verify endpoint executes regular files with node
         run: |
-          mkdir temp
-          echo 'console.log("success")' > temp/index.js
-          output=$(docker run -w /app -v "$(pwd):/app" --rm node:${{ matrix.version }}-${{ matrix.variant }} temp/index.js)
-          rm -r temp
+          tmp_file=$(mktemp)
+          echo 'console.log("success")' > "${tmp_file}"
+          output=$(docker run --rm -v "${tmp_file}:/app/index.js" node:${{ matrix.version }}-${{ matrix.variant }} app/index.js)
           [ "${output}" = 'success' ]
 
       - name: Test for npm