test: add row using right click context menu

Signed-off-by: Raju Udava <86527202+dstala@users.noreply.github.com>

scripts/playwright/tests/tableColumnOperation.spec.ts

@@ -67,5 +67,8 @@ test.describe("Table Column Operations", () => {
       columnHeader: "Title",
       value: "value_a",
     });
+
+    // add new row using right-click menu
+    await grid.addRowRightClickMenu(0);
   });
 });