@Test
	public void testMissingJobDescriptor() {
		exception.expect(SpringXDException.class);
		exception.expectMessage("definition cannot be blank or null");
		logger.info("Testing Missing job Descriptor");
		job("missingdescriptor", "",true);
	}
Removes the table created from a previous test.
spring-xd-integration-test/src/test/java/org/springframework/xd/integration/test/JobCommandTest.java