assertFalse(new Assignability<Integer, String>() {}.isAssignable());
    TypeTokenTest.<Number, Integer>assignabilityTestWithTypeVariables();
  }

  public <From extends String & List<? extends String>> void testMultipleTypeBoundsAssignability() {
    assertTrue(new Assignability<From, String>() {}.isAssignable());
    assertFalse(new Assignability<From, Number>() {}.isAssignable());