count_valids
struct count_valids valids = {};
KUNIT_ASSERT_EQ(test, count_valids(test), 0);
struct count_valids *valids = arg;
KUNIT_ASSERT_EQ(test, count_valids(test), 0);
KUNIT_ASSERT_EQ(test, count_valids(test), 0);
KUNIT_ASSERT_EQ(test, count_valids(test), 20);
struct count_valids valids = {};
struct count_valids valids = {};