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 os
import json
import glob
import tempfile
import requests
import shutil
import zipfile
import importlib
from six import iteritems
from localstack.utils.aws import aws_stack
from localstack.constants import (
    LOCALSTACK_ROOT_FOLDER, LOCALSTACK_VENV_FOLDER, LAMBDA_TEST_ROLE, TEST_AWS_ACCOUNT_ID
)
from localstack.utils.common import TMP_FILES, run, mkdir, to_str, load_file, save_file, is_alpine
from localstack.services.awslambda.lambda_api import (
    get_handler_file_from_name, LAMBDA_DEFAULT_HANDLER, LAMBDA_DEFAULT_RUNTIME, LAMBDA_DEFAULT_STARTING_POSITION,
    LAMBDA_DEFAULT_TIMEOUT
)
ARCHIVE_DIR_PREFIX = 'lambda.archive.'
def copy_dir(source, target):