Method ~TestFactory4

tests/test_factory_constructors.cpp:78–78

    TestFactory4() { print_default_created(this); }
    explicit TestFactory4(int v) : TestFactory3(v) { print_created(this, v); }
    ~TestFactory4() override { print_destroyed(this); }
};
// Another class for an invalid downcast test
class TestFactory5 : public TestFactory3 {