NotInstantiable x = new NotInstantiable();
    tester.setDefault(NotInstantiable.class, x);
    assertNotNull(tester.instantiate(ConstructorParameterNotInstantiable.class));
  }

  public void testSetDistinctValues_equalInstances() {
    assertThrows(
        IllegalArgumentException.class, () -> tester.setDistinctValues(String.class, "", ""));
  }

  public void testInstantiate_setDistinctValues() throws Exception {