@Test
	public void testNames() throws Exception {
		// MLP - tuples always have names, FieldSet in Spring Batch doesn't require a name.
		assertThat(tuple.getFieldCount(), is(tuple.getFieldNames().size()));
	}
This is a port of the FieldSet tests from Spring Batch
spring-xd-tuple/src/test/java/org/springframework/xd/tuple/DefaultTupleTestForBatch.java