skip flaky suite (#230988)

Author: mistic

x-pack/solutions/observability/test/observability_ai_assistant_functional/tests/knowledge_base_management/index.spec.ts

@@ -119,7 +119,8 @@ export default function ApiTest({ getService, getPageObjects }: FtrProviderConte
       });
     });
 
-    describe('User instruction management', () => {
+    // FLAKY: https://github.com/elastic/kibana/issues/230988
+    describe.skip('User instruction management', () => {
       async function openUserInstructionFlyout() {
         await testSubjects.click(ui.pages.kbManagementTab.editUserInstructionButton);
         await testSubjects.exists(ui.pages.kbManagementTab.saveEntryButton);