@Test
	public void testEmptyBehavior() {
		assertThat(moduleOptions.iterator(), is(notNullValue(Iterator.class)));
		assertThat(moduleOptions.iterator().hasNext(), is(false));
	}
Test for {@link SimpleModuleOptionsMetadata} behavior.

@author Eric Bottard
spring-xd-module/src/test/java/org/springframework/xd/module/options/SimpleModuleOptionsMetadataTests.java