@Test
public void shouldReturnNamesOfClassesInsidePackage() {

	// when
	Iterable<String> packageSubclasses = ClassIndex.getPackageClassesNames(
			ClassIndexTest.class.getPackage().getName());
	// then
	assertThat(packageSubclasses).contains(FirstComponent.class.getCanonicalName(),
			Component.class.getCanonicalName());
}