=== original werk, weak toetsen ===
test_large_order (tests.test_weak.Weak.test_large_order) ... ok
test_small_order (tests.test_weak.Weak.test_small_order) ... ok

----------------------------------------------------------------------
Ran 2 tests in 0.000s

OK
exit: 0
=== original werk, strong toetsen ===
test_exactly_on_limit (tests.test_strong.Strong.test_exactly_on_limit) ... ok
test_just_below_limit (tests.test_strong.Strong.test_just_below_limit) ... ok
test_large_order (tests.test_strong.Strong.test_large_order) ... ok
test_small_order (tests.test_strong.Strong.test_small_order) ... ok
test_zero (tests.test_strong.Strong.test_zero) ... ok

----------------------------------------------------------------------
Ran 5 tests in 0.000s

OK
exit: 0
=== mutant werk, weak toetsen ===
test_large_order (tests.test_weak.Weak.test_large_order) ... ok
test_small_order (tests.test_weak.Weak.test_small_order) ... ok

----------------------------------------------------------------------
Ran 2 tests in 0.000s

OK
exit: 0
=== mutant werk, strong toetsen ===
test_exactly_on_limit (tests.test_strong.Strong.test_exactly_on_limit) ... FAIL
test_just_below_limit (tests.test_strong.Strong.test_just_below_limit) ... ok
test_large_order (tests.test_strong.Strong.test_large_order) ... ok
test_small_order (tests.test_strong.Strong.test_small_order) ... ok
test_zero (tests.test_strong.Strong.test_zero) ... ok

======================================================================
FAIL: test_exactly_on_limit (tests.test_strong.Strong.test_exactly_on_limit)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/work/tests/test_strong.py", line 12, in test_exactly_on_limit
    self.assertEqual(shipping_cost(100), 0)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 6.95 != 0

----------------------------------------------------------------------
Ran 5 tests in 0.000s

FAILED (failures=1)
exit: 1
