Upgrade to Atomix 2.0.18

Change-Id: I433e8b85d5aad007531c24495dd8298aeef9f79e
diff --git a/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AtomixDocumentTreeServiceTest.java b/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AtomixDocumentTreeServiceTest.java
index fd92e2b..21c5621 100644
--- a/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AtomixDocumentTreeServiceTest.java
+++ b/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AtomixDocumentTreeServiceTest.java
@@ -17,7 +17,6 @@
 
 import java.util.Optional;
 
-import io.atomix.protocols.raft.service.ServiceId;
 import io.atomix.protocols.raft.service.impl.DefaultCommit;
 import io.atomix.protocols.raft.session.impl.RaftSessionContext;
 import io.atomix.protocols.raft.storage.RaftStorage;
@@ -59,7 +58,7 @@
                 .withPrefix("test")
                 .withStorageLevel(StorageLevel.MEMORY)
                 .build());
-        Snapshot snapshot = store.newSnapshot(ServiceId.from(1), "test", 2, new WallClockTimestamp());
+        Snapshot snapshot = store.newSnapshot(2, new WallClockTimestamp());
 
         AtomixDocumentTreeService service = new AtomixDocumentTreeService(ordering);
         service.update(new DefaultCommit<>(