message.setOutboundProperty("foo", "bar");
assertTrue("Filter didn't accept the message", filter.accept(message));
filter.setCaseSensitive(false);
filter = new MessagePropertyFilter("foo2 =null");
message.removeProperty("foo2");
assertTrue("Filter didn't accept the message", filter.accept(message));
filter = new MessagePropertyFilter("foo2 =");
message.setOutboundProperty("foo2", "");
assertTrue("Filter didn't accept the message", filter.accept(message));