Fix 'receive_message_wait_time_seconds' SQS broker management (#243)

* Fix 'receive_message_wait_time_seconds' SQS broker management

* Remove socket volume from localstack container

containers/localstack/init.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# Note that this file needs to have the executable bit set for it to work with later localstack implementations.
+
+export DEFAULT_REGION=us-west-2
+
+create_sqs() {
+    QUEUE_NAME="$1"
+    TIMEOUT=${2:-60}
+    DL_QUEUE_URL=$(awslocal sqs create-queue --queue-name "dl-$QUEUE_NAME" --query QueueUrl --output text)
+    echo ">>> Created $DL_QUEUE_URL queue!"
+    DL_QUEUE_ARN=$(awslocal sqs get-queue-attributes --queue-url "$DL_QUEUE_URL" --attribute-names QueueArn --query Attributes.QueueArn --output text)
+    awslocal sqs create-queue --queue-name "$QUEUE_NAME" --attributes '{
+        "RedrivePolicy": "{\"deadLetterTargetArn\": \"'"$DL_QUEUE_ARN"'\",\"maxReceiveCount\":\"3\"}",
+        "VisibilityTimeout": "'"$TIMEOUT"'"
+    }'
+}
+
+# Create SQS queues
+create_sqs testing