ActiveMQTextMessage received = ((ActiveMQTextMessage) messageList
.flushMessages().get(0));
assertEquals(LENGTH10STRING, received.getText());
assertTrue(received.getProperties().size() > 0);
assertTrue(received.propertyExists(LENGTH10STRING));
assertEquals(LENGTH10STRING, received.getStringProperty(LENGTH10STRING));
/**
* As specified by getSize(), the size (memory usage) of the body should
* be length of text * 2. Unsure of how memory usage is calculated for