@Test
	public void createTypedJobParametersWithNullDateFormat() throws Exception {

		try {
			transformer.setDateFormat(null);
		}
		catch (IllegalArgumentException e) {
			return;
		}

		fail("Expected an IllegalArgumentException to be thrown.");
	}
@author Gunnar Hillert
@author Ilayaperumal Gopinathan
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/plugins/job/JobLaunchRequestTransformerTests.java