tests fixes

Author: rashtao

src/test/java/com/arangodb/ArangoDBTest.java

@@ -213,7 +213,7 @@ void createDatabaseWithUsers(ArangoDB arangoDB) throws InterruptedException {
         assertThat(retrievedUser.getExtra()).isEqualTo(extra);
 
         // needed for active-failover tests only
-        Thread.sleep(1_000);
+        Thread.sleep(2_000);
 
         ArangoDB arangoDBTestUser = new ArangoDB.Builder()
                 .serializer(new ArangoJack())

src/test/java/com/arangodb/ArangoGraphTest.java

@@ -89,7 +89,7 @@ void exists(ArangoGraph graph) {
     @MethodSource("dbs")
     void createWithReplicationAndWriteConcern(ArangoDatabase db) {
         assumeTrue(isAtLeastVersion(3, 5));
-        assumeTrue(isCluster() || isAtLeastVersion(3, 10));
+        assumeTrue(isCluster());
 
         final Collection<EdgeDefinition> edgeDefinitions = new ArrayList<>();
         final GraphEntity graph = db.createGraph(GRAPH_NAME + "_1", edgeDefinitions, new GraphCreateOptions().isSmart(true).replicationFactor(2).writeConcern(2));