ENGINE_remove
ENGINE_remove(iterator);
OSSL_DEPRECATEDIN_3_0 int ENGINE_remove(ENGINE *e);
if (!TEST_false(ENGINE_remove(new_h2)))
if (!TEST_true(ENGINE_remove(new_h3)))
if (!TEST_true(ENGINE_remove(new_h4)))
if (!ENGINE_remove(ptr))
|| !TEST_true(ENGINE_remove(new_h1)))
if (!TEST_true(ENGINE_remove(ptr)))
if (!TEST_true(ENGINE_remove(ptr)))
if (!TEST_true(ENGINE_remove(new_h2)))