[Alerting] disables a flaky test in alerting (#53696)

* disabled flaky test

* use skip instead of comment

x-pack/test/alerting_api_integration/security_and_spaces/tests/alerting/alerts.ts

@@ -601,7 +601,16 @@ export default function alertTests({ getService }: FtrProviderContext) {
           }
         });
 
-        it(`shouldn't schedule actions when alert is muted`, async () => {
+        /**
+         * Skipping due to an issue we've discovered in the `muteAll` api
+         * which corrupts the apiKey and causes this test to exhibit flaky behaviour.
+         * Failed CIs for example:
+         * 1. https://github.com/elastic/kibana/issues/53690
+         * 2. https://github.com/elastic/kibana/issues/53683
+         *
+         * This will be fixed and reverted in PR: https://github.com/elastic/kibana/pull/53333
+         */
+        it.skip(`shouldn't schedule actions when alert is muted`, async () => {
           const testStart = new Date();
           const reference = alertUtils.generateReference();
           const response = await alertUtils.createAlwaysFiringAction({