use “ponytest”

actor Main is TestList

new create(env: Env) => PonyTest(env, this)
new make() => None

fun tag tests(test: PonyTest) =>
  test(_TestAddition)

class iso _TestAddition is UnitTest

"""
Adding 2 numbers
"""
fun name(): String => "u32/add"

fun apply(h: TestHelper): TestResult =>
  h.expect_eq[U32](2 + 2, 4)