Create a py code that passes the following test in the code bellow:

\( \begin{array}{ll}1 & \text { import unittest } \\ 2 & \\ 3 & \text { from array_stack import ArrayStack } \\ 4 & \\ 5 & \text { class ArrayStackTest(unittest.TestCase): } \\ 6 & \text { def setUp(self): } \\ 7 & \text { self__stack = ArrayStack(5) } \\ 8 & \\ 9 & \text { def test_01_clone_valid_instance_should_have_same_size(self): } \\ 10 & \text { "lloning an ArrayStack from a valid instance should have the same number of items on the stack" " }\end{array} \)