def test_remove_value_middle():
l = SingleLinkedList()
for i in range(5):
l.push_back(i)
l.remove_value(2)
assert l.head.next.next.data == 3
def test_remove_value_back():
l = SingleLinkedList()
for i in range(5):
l.push_back(i)
l.remove_value(4)
assert l.tail.data == 3
def test_remove_value_front():
l = SingleLinkedList()
for i in range(5):
l.push_back(i)
l.remove_value(0)
assert l.head.data == 1