ec_response_get_next_event
size = sizeof(struct ec_response_get_next_event);
struct ec_response_get_next_event *data;
data = (struct ec_response_get_next_event *)mock->o_data;
KUNIT_EXPECT_EQ(test, ret, sizeof(struct ec_response_get_next_event));
KUNIT_EXPECT_EQ(test, mock->msg.insize, sizeof(struct ec_response_get_next_event));