Add x-pack-ent-search module to OperatorPrivilegesIT

Author: albertzaharovits

x-pack/plugin/security/qa/operator-privileges-tests/src/javaRestTest/java/org/elasticsearch/xpack/security/operator/OperatorPrivilegesIT.java

@@ -55,6 +55,7 @@ public class OperatorPrivilegesIT extends ESRestTestCase {
         .setting("xpack.security.operator_privileges.enabled", "true")
         .setting("path.repo", () -> repoDirectory.getRoot().getPath())
         .plugin("org.elasticsearch.xpack.security.operator.OperatorPrivilegesTestPlugin")
+        .module("x-pack-ent-search")
         .rolesFile(Resource.fromClasspath("roles.yml"))
         .configFile("service_tokens", Resource.fromClasspath("service_tokens"))
         .configFile("operator_users.yml", Resource.fromClasspath("operator_users.yml"))