Update client image to python:3.7-alpine3.11

This also requires an update to pika 1.x and some minor test code changes.

test/tests/rabbitmq-basics/receive.py

@@ -12,8 +12,8 @@ def callback(ch, method, properties, body):
     print(body.decode('utf-8'))
     connection.close()
 
-channel.basic_consume(callback,
-                      queue='hello',
-                      no_ack=True)
+channel.basic_consume(queue='hello',
+                      auto_ack=True,
+                      on_message_callback=callback)
 
 channel.start_consuming()

test/tests/rabbitmq-basics/run.sh

@@ -9,8 +9,8 @@ serverImage="$1"
 
 clientImage="$("$dir/../image-name.sh" librarytest/rabbitmq-basics "$serverImage")"
 "$dir/../docker-build.sh" "$dir" "$clientImage" <<EOD
-FROM python:3.6-slim
-RUN pip install pika==0.11.0
+FROM python:3.7-alpine3.11
+RUN pip install pika==1.1.0
 COPY dir/*.py /usr/local/bin/
 EOD