def test_sum_of_primes_empty_list(): assert sum_of_primes([]) == 0
def test_sum_of_primes_mixed_list(numbers, result): assert sum_of_primes(numbers) == result
def test_sum_primes(n, output): assert sum_of_primes(n) == output
def test_sum_of_primes_mixed_list(): assert sum_of_primes([11, 15, 17, 18, 20, 100]) == 28
def test_sum_of_primes_all_primes(): assert sum_of_primes([2, 5, 7, 89]) == 103
def test_sum_of_primes_some_primes(): assert sum_of_primes([2, 4, 5, 89, 100]) == 96
def test_sum_of_primes_no_primes(): assert sum_of_primes([4, 6, 8, 100]) == 0