@Test
public void foo() {

	Category category1 = new Category("a");
	Category category2 = new Category("b");
	Categories categories = new Categories(ImmutableList.of(category1, category2));
	assertNull(categories.getCategoryByName("nope"));
	assertEquals(category1, categories.getCategoryByName("a"));
	assertEquals(category1, categories.getCategoryByName("A"));
}