Flaky-test: KeySharedSubscriptionTest

Attempt 2:

Gradle suite > Gradle test > org.apache.pulsar.client.api.KeySharedSubscriptionTest > resetDefaultNamespace FAILED
      org.apache.pulsar.client.admin.PulsarAdminException$PreconditionFailedException: Topic has 8005 clients connected Including 8004 consumers, 0 producers, and 0 replicators.
          at app//org.apache.pulsar.client.admin.PulsarAdminException.wrap(PulsarAdminException.java:252)
          at app//org.apache.pulsar.client.admin.internal.BaseResource.sync(BaseResource.java:480)
          at app//org.apache.pulsar.client.admin.internal.TopicsImpl.delete(TopicsImpl.java:510)
          at app//org.apache.pulsar.client.admin.Topics.delete(Topics.java:894)
          at app//org.apache.pulsar.client.api.KeySharedSubscriptionTest.resetDefaultNamespace(KeySharedSubscriptionTest.java:188)
  
          Caused by:
          jakarta.ws.rs.ClientErrorException: HTTP 412 {"reason":"Topic has 8005 clients connected Including 8004 consumers, 0 producers, and 0 replicators."}
              at app//org.glassfish.jersey.client.JerseyInvocation.createExceptionForFamily(JerseyInvocation.java:1002)
              at app//org.glassfish.jersey.client.JerseyInvocation.convertToException(JerseyInvocation.java:984)
              at app//org.glassfish.jersey.client.JerseyInvocation$1.completed(JerseyInvocation.java:879)
              at app//org.glassfish.jersey.client.ClientRuntime.processResponse(ClientRuntime.java:232)
              at app//org.glassfish.jersey.client.ClientRuntime$2.lambda$response$0(ClientRuntime.java:176)
              at app//org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
              at app//org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
              at app//org.glassfish.jersey.internal.Errors.process(Errors.java:292)
              at app//org.glassfish.jersey.internal.Errors.process(Errors.java:274)
              at app//org.glassfish.jersey.internal.Errors.process(Errors.java:244)