Increase polling interval for metrics matcher to fix flakey tests
Increase polling interval for metrics matcher to fix flakey tests

Signed-off-by: Houssem El Fekih <79fadb0a34afe753d9a3e9572acabeee9978c197@pivotal.io>

pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release,pivotal-cf/cf-rabbitmq-release