* default and then suppress them strategically as needed.
   */
  public static final class ConcretePackageSanityTests extends AbstractPackageSanityTests {}

  private final AbstractPackageSanityTests sanityTests = new ConcretePackageSanityTests();

  public void testFindClassesToTest_testClass() {
    assertThat(findClassesToTest(ImmutableList.of(EmptyTest.class))).isEmpty();

   * default and then suppress them strategically as needed.
   */
  public static final class ConcretePackageSanityTests extends AbstractPackageSanityTests {}

  private final AbstractPackageSanityTests sanityTests = new ConcretePackageSanityTests();

  public void testFindClassesToTest_testClass() {
    assertThat(findClassesToTest(ImmutableList.of(EmptyTest.class))).isEmpty();