test: add util inspect null getter test

PR-URL: https://github.com/nodejs/node/pull/27884
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>

test/parallel/test-util-inspect.js

@@ -339,6 +339,15 @@ assert.strictEqual(
   const value = {};
   value.a = value;
   assert.strictEqual(util.inspect(value), '<ref *1> { a: [Circular *1] }');
+  const getterFn = {
+    get one() {
+      return null;
+    }
+  };
+  assert.strictEqual(
+    util.inspect(getterFn, { getters: true }),
+    '{ one: [Getter: null] }'
+  );
 }
 
 // Array with dynamic properties.