*       tests.
 * </ul>
 */
@SuppressWarnings({
  // We call threadUnexpectedException, which does the right thing for errors.
  "AssertionFailureIgnored",
  // We're following the upstream naming to reduce diffs.
  "IdentifierName",
  "ConstantCaseForConstants",
})
@NullUnmarked
abstract class JSR166TestCase extends TestCase {