test: add NODE_UNIQUE_ID value to err message

test: add NODE_UNIQUE_ID value to err message · nodejs/node@bce1f38

Original file line number	Diff line number	Diff line change
`@@ -5,7 +5,8 @@ const assert = require('assert');`
`5`	`5`	`const cluster = require('cluster');`
`6`	`6`
`7`	`7`	`assert.strictEqual('NODE_UNIQUE_ID' in process.env, false,`
`8`		`-'NODE_UNIQUE_ID should be removed on startup');`
	`8`	+`NODE_UNIQUE_ID (${process.env.NODE_UNIQUE_ID})` +
	`9`	`+'should be removed on startup');`
`9`	`10`
`10`	`11`	`function forEach(obj, fn) {`
`11`	`12`	`Object.keys(obj).forEach((name, index) => {`