From 733e55c522e8a62ad8c1cb34074becd1be403e48 Mon Sep 17 00:00:00 2001
From: Andrew Telnov <andrew.telnov@gmail.com>
Date: Wed, 26 Jun 2024 19:54:02 +0300
Subject: [PATCH] Multi-Select Matrix - Hide columnsVisibleIf expression
 property fix #8469

---
 src/question_matrixdropdownbase.ts   | 1 +
 tests/question_matrixdynamictests.ts | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/question_matrixdropdownbase.ts b/src/question_matrixdropdownbase.ts
index 05796b61cb..ba1d5c6e54 100644
--- a/src/question_matrixdropdownbase.ts
+++ b/src/question_matrixdropdownbase.ts
@@ -2560,6 +2560,7 @@ Serializer.addClass(
       visible: false,
       isLightSerializable: false,
     },
+    { name: "columnsVisibleIf", visible: false },
     {
       name: "detailPanelMode",
       choices: ["none", "underRow", "underRowSingle"],
diff --git a/tests/question_matrixdynamictests.ts b/tests/question_matrixdynamictests.ts
index d3a441684e..a40fd98fcc 100644
--- a/tests/question_matrixdynamictests.ts
+++ b/tests/question_matrixdynamictests.ts
@@ -2959,7 +2959,8 @@ QUnit.test(
   }
 );
 QUnit.test("columnsVisibleIf produce the bug, Bug#1540", function (assert) {
-  var json = {
+  assert.equal(Serializer.findProperty("matrixdynamic", "columnsVisibleIf").visible, false, "The property is invisible");
+  const json = {
     pages: [
       {
         name: "page1",