// Create second index and add to same alias
        client.admin().indices().prepareCreate(index2).execute().actionGet();
        client.admin().indices().prepareAliases().addAlias(index2, aliasName).execute().actionGet();

        final Suggester suggester = Suggester.builder().build(client, "test");

        // Use reflection to access private method

            final IndicesAliasesRequestBuilder aliasesRequestBuilder =
                    client.admin().indices().prepareAliases().addAlias(indexName, getUpdateAlias(index));
            for (final String prevIndex : prevIndices) {
                aliasesRequestBuilder.removeAlias(prevIndex, getUpdateAlias(index));
            }