Fix flaky test: HttpRequestDispatcherTestCase

_ There was a race condition where  acceptCalledLath.await returned true before the exception was thrown and manage.
(cherry picked from commit 266a273)
Fixing flaky test TcpJmsResponseBridgeTestCase: replacing hardcoded port with a dynamic port
(cherry picked from commit c470fa6)
Fix flaky test: HttpRequestDispatcherTestCase

_Replacing timeout with a prober
(cherry picked from commit 777b0b2)
Fixing flaky test: PropertiesTestCase

_Replacing sleep with proper timeout on client.request call
(cherry picked from commit ef84a0c)
Ignoring flaky tests
(cherry picked from commit 7474a0d)
Fix flaky tests that use SftpServer (like SftpFileNameFilterTestCase) which fail randomly when stopping the server
(cherry picked from commit f315e61)