@Test
public void testMandatoryInputChannel() {

	// given
	RemoteChunkingManagerStepBuilder<String, String> builder = new RemoteChunkingManagerStepBuilder<>("step");
	this.expectedException.expect(IllegalArgumentException.class);
	this.expectedException.expectMessage("An InputChannel must be provided");
	// when
	TaskletStep step = builder.build();
	// then
	// expected exception
}