test(parser): verify inline comment preservation inside nested selectors

Author: vardhan30016

packages/less/test/css/inline-comments-nested.css

@@ -0,0 +1,4 @@
+/* inline-comments-nested.css — expected compiled result */
+.container .item { // inline comment should be preserved
+  color: red;
+}

packages/less/test/less/inline-comments-nested.less

@@ -0,0 +1,6 @@
+/* inline-comments-nested.less — verify that inline comments survive */
+.container {
+  .item { // inline comment should be preserved
+    color: red;
+  }
+}