HealthCheckServiceInstanceListSupplierTests.shouldCancelSubscription() times out in CI

[spencergibb]

Error Message
Assertion condition defined as a lambda expression in org.springframework.cloud.loadbalancer.core.HealthCheckServiceInstanceListSupplierTests that uses java.util.concurrent.atomic.AtomicInteger 
Expecting <AtomicInteger(0)> to have value:
  <1>
but did not within 10 seconds.
Stacktrace
org.awaitility.core.ConditionTimeoutException: 
Assertion condition defined as a lambda expression in org.springframework.cloud.loadbalancer.core.HealthCheckServiceInstanceListSupplierTests that uses java.util.concurrent.atomic.AtomicInteger 
Expecting <AtomicInteger(0)> to have value:
  <1>
but did not within 10 seconds.
	at org.springframework.cloud.loadbalancer.core.HealthCheckServiceInstanceListSupplierTests.shouldCancelSubscription(HealthCheckServiceInstanceListSupplierTests.java:488)
Caused by: java.lang.AssertionError: 

Expecting <AtomicInteger(0)> to have value:
  <1>
but did not.
	at org.springframework.cloud.loadbalancer.core.HealthCheckServiceInstanceListSupplierTests.lambda$shouldCancelSubscription$9(HealthCheckServiceInstanceListSupplierTests.java:489)

@robotmrv could you have a look?

[spencergibb]

See d5dc446 for ignored test