transSequence.apply(message, xformReg);
Assert.assertEquals(A, message.getContent());
// Add just th "a" to "b" transformer... run again... should transform to "b", but no further...
xformReg.addTransformer(new MockTransformer(A, B));
transSequence.apply(message, xformReg);
Assert.assertEquals(B, message.getContent());
// Add the rest of the transforms now... should transform the last steps in one go...
xformReg.addTransformer(new MockTransformer(B, C)).addTransformer(new MockTransformer(C, D));
transSequence.apply(message, xformReg);