@Test
public void should_create_error_message() {
Map<?, ?> map = newMap(entry("name", "Yoda"), entry("color", "green"));
ErrorMessageFactory factory = shouldContainValue(map, "VeryOld");
String message = factory.create(new TextDescription("Test"));
assertEquals("[Test] expecting:\n" + "<{'name'='Yoda', 'color'='green'}>\n" + " to contain value:\n"
+ "<'VeryOld'>", message);
}