Add Docker FV tests for metric gathering (#90)

* initial metric tests

* Add FV tests for metrics

* correct comment in test

Dockerfile-server

@@ -64,8 +64,8 @@ RUN chmod ug+x /usr/local/bin/runmqserver \
   && chown mqm:mqm /usr/local/bin/*mq* \
   && chmod ug+xs /usr/local/bin/chkmq*
 
-# Always use port 1414
-EXPOSE 1414
+# Always use port 1414 for MQ & 9157 for the metrics
+EXPOSE 1414 9157
 
 ENV LANG=en_US.UTF-8 AMQ_DIAGNOSTIC_MSG_SEVERITY=1 AMQ_ADDITIONAL_JSON_LOG=1 LOG_FORMAT=basic