test: cover util.inspect on boxed primitive with colors

PR-URL: https://github.com/nodejs/node/pull/27897
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

test/parallel/test-util-inspect.js

@@ -902,6 +902,10 @@ assert.strictEqual(
 
 // Test boxed primitives output the correct values.
 assert.strictEqual(util.inspect(new String('test')), "[String: 'test']");
+assert.strictEqual(
+  util.inspect(new String('test'), { colors: true }),
+  "\u001b[32m[String: 'test']\u001b[39m"
+);
 assert.strictEqual(
   util.inspect(Object(Symbol('test'))),
   '[Symbol: Symbol(test)]'