RequestScopeEventMessageDeliveryTest postpone start of the test until the related Message-driven bean is initialized.

This test sends a message to Topic (non-durable subscription) destination and JMS states that if the sending code sends a message to a topic before the receiving code creates the consumer, then the consumer will not receive the message.
Hence the tests should wait until the consumer (i.e. the MDB) is started before sending the message.