MSG3
if (!TEST_true(SSL_write_early_data(clientssl, MSG3, strlen(MSG3),
|| !TEST_size_t_eq(written, strlen(MSG3)))
|| !TEST_mem_eq(buf, readbytes, MSG3, strlen(MSG3)))
if (write(STDOUT_FILENO, MSG3, sizeof(MSG3) - 1) != sizeof(MSG3) - 1)