Queue should expire TTL milliseconds after last consumer left #4992

Job	Run time
Lint check	1m 2s
Format check	13s
Lint OpenAPI	16s
Lint javascript	15s
Spec	1m 59s
Compile LavinMQ	56s
Spec FreeBSD	2m 27s
Filters for frontend specs	5s
Spec OS X	2m 14s
RabbitMQ java client test	5m 24s
RabbitMQ HTTP API Ruby client test	57s
Bunny client test	2m 35s
RabbitMQ HTTP API Go client test	1m 1s
Test in release mode	16s
Frontend specs	0s
	19m 40s

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