[ML] Increasing timeout for DFA integration tests #125510 (#125572)

Increase waiting time to prevent DFA integration tests from timing out.

x-pack/plugin/ml/qa/native-multi-node-tests/src/javaRestTest/java/org/elasticsearch/xpack/ml/integration/MlNativeDataFrameAnalyticsIntegTestCase.java

@@ -124,7 +124,7 @@ abstract class MlNativeDataFrameAnalyticsIntegTestCase extends MlNativeIntegTest
     }
 
     protected void waitUntilAnalyticsIsStopped(String id) throws Exception {
-        waitUntilAnalyticsIsStopped(id, TimeValue.timeValueSeconds(90));
+        waitUntilAnalyticsIsStopped(id, TimeValue.timeValueSeconds(180));
     }
 
     protected void waitUntilAnalyticsIsStopped(String id, TimeValue waitTime) throws Exception {