fix: Fixed Bug29566 spec with list widget

app/client/cypress/e2e/Regression/ClientSide/BugTests/ListWidgetOnPageLoad_Spec.ts

@@ -0,0 +1,59 @@
+import {
+  agHelper,
+  dataSources,
+  deployMode,
+  locators,
+  propPane,
+} from "../../../../support/Objects/ObjectsCore";
+import EditorNavigation, {
+  AppSidebar,
+  AppSidebarButton,
+  EntityType,
+  PageLeftPane,
+  PagePaneSegment,
+} from "../../../../support/Pages/EditorNavigation";
+
+describe(
+  "JS Function execution data mutation",
+  { tags: ["@tag.Widget", "@tag.List"] },
+  function () {
+    before(() => {
+      agHelper.AddDsl("Listv2/simpleList");
+    });
+
+    it("1. List widget gets populated on page load. Bug: 29566", function () {
+      dataSources.CreateDataSource("Postgres");
+      cy.get("@dsName").then(() => {
+        dataSources.CreateQueryAfterDSSaved(
+          "SELECT id,name FROM public.users LIMIT 10;",
+        );
+        dataSources.ToggleUsePreparedStatement(false);
+        dataSources.RunQuery();
+      });
+      AppSidebar.navigate(AppSidebarButton.Editor);
+      PageLeftPane.switchSegment(PagePaneSegment.UI);
+      EditorNavigation.SelectEntityByName("List1", EntityType.Widget);
+      propPane.UpdatePropertyFieldValue("Items", "{{Query1.data}}");
+      propPane.TogglePropertyState("Server side pagination", "Off");
+      propPane.SelectPropertiesDropDown("Data Identifier", "id");
+      agHelper
+        .GetText(locators._widgetInCanvas("textwidget") + " span")
+        .then((initialTexts: string[]) => {
+          deployMode.DeployApp();
+          agHelper.AssertElementLength(locators._textWidgetInDeployed, 6);
+          agHelper
+            .GetText(locators._textWidgetInDeployed)
+            .then((deployedTexts: string[]) => {
+              expect(deployedTexts).to.deep.equal(initialTexts);
+            });
+          agHelper.CypressReload();
+          agHelper.AssertElementLength(locators._textWidgetInDeployed, 6);
+          agHelper
+            .GetText(locators._textWidgetInDeployed)
+            .then((deployedTexts: string[]) => {
+              expect(deployedTexts).to.deep.equal(initialTexts);
+            });
+        });
+    });
+  },
+);