Increase startup timeout in EnrollmentProcessTests (#116039)

Closes #114885

Author: mark-vieira

muted-tests.yml

@@ -208,9 +208,6 @@ tests:
 - class: org.elasticsearch.xpack.remotecluster.RemoteClusterSecurityWithApmTracingRestIT
   method: testTracingCrossCluster
   issue: https://github.com/elastic/elasticsearch/issues/112731
-- class: org.elasticsearch.packaging.test.EnrollmentProcessTests
-  method: test20DockerAutoFormCluster
-  issue: https://github.com/elastic/elasticsearch/issues/114885
 - class: org.elasticsearch.xpack.inference.DefaultEndPointsIT
   method: testInferDeploysDefaultElser
   issue: https://github.com/elastic/elasticsearch/issues/114913

qa/packaging/src/test/java/org/elasticsearch/packaging/test/EnrollmentProcessTests.java

@@ -116,7 +116,7 @@ public void test20DockerAutoFormCluster() throws Exception {
                 makeRequestAsElastic("https://localhost:9200/_cluster/health", "password"),
                 containsString("\"number_of_nodes\":2")
             ),
-            20,
+            60,
             TimeUnit.SECONDS
         );