test: refactor concat string to template string

PR-URL: #17252
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>

test/parallel/test-assert.js

@@ -690,7 +690,7 @@ try {
         code: 'ERR_INVALID_ARG_TYPE',
         type: TypeError,
         message: 'The "block" argument must be of type Function. Received ' +
-                 'type ' + typeName(block)
+                 `type ${typeName(block)}`
       })(e);
     }