It appears lambdas are not triggered from items being pushed to SQS if [SendMessageBatch](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_SendMessageBatch.html) is used instead of [SendMessage](https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_SendMessage.html)
import re
import os
import json
import time
import shutil
import unittest
import six
from io import BytesIO
from localstack import config
from localstack.constants import LOCALSTACK_MAVEN_VERSION, LOCALSTACK_ROOT_FOLDER
from localstack.utils import testutil
from localstack.utils.testutil import get_lambda_log_stream, get_event_message
from localstack.utils.aws import aws_stack
from localstack.utils.common import (
    unzip, new_tmp_dir, short_uid, load_file, to_str, mkdir, download,
    run_safe, get_free_tcp_port, get_service_protocol, retry
)
from localstack.services.infra import start_proxy
from localstack.services.awslambda import lambda_api, lambda_executors
from localstack.services.generic_proxy import ProxyListener
from localstack.services.awslambda.lambda_api import (
    LAMBDA_RUNTIME_DOTNETCORE2, LAMBDA_RUNTIME_RUBY25, LAMBDA_RUNTIME_PYTHON27,
    use_docker, LAMBDA_RUNTIME_PYTHON36, LAMBDA_RUNTIME_JAVA8,
    LAMBDA_RUNTIME_NODEJS810, LAMBDA_RUNTIME_PROVIDED
)
from .lambdas import lambda_integration