### Question:
ConfigTypeFilters { public static ConfigTypeFilter eachConfigType() { return types -> types; }  static ConfigTypeFilter eachConfigType(); static ConfigTypeFilter configType(ConfigType... types); static ConfigTypeFilter configTypeWithName(String... name); static ConfigTypeFilter configTypeWithExtensionOf(File file);  }### Answer:
@Test void selectEachConfigType() { assertEquals( supportedTypes, eachConfigType().selectTypes(supportedTypes) ); }