Fix: increase stability of integration tests

[678098]

Is there an existing proposal for this?

• [x] I have searched the existing proposals

Is your feature request related to a problem?

Commonly failing tests:

BrokerSessionIT.closeQueueOnPendingConfigureRequest:2890 expected:<SUCCESS> but was:<TIMEOUT>
BrokerSessionIT.inboundWatermarksTest:5621->verifyQueueControlEvent:187 Expected 'QueueControlEvent', received 'com.bloomberg.bmq.impl.events.BrokerSessionEvent'
SessionIT.testQueueFlushDown:3566 Runtime com.bloomberg.bmq.BMQException: Failed to start session: TIMEOUT

Describe the solution you'd like

Check timeouts, check multithreaded problems

Alternatives you considered

No response

[678098]

Temporarily disabled 2 ITs not working stable on slow hosts: https://github.com/bloomberg/blazingmq-sdk-java/pull/27

This issue remains opened until we fix them.