>>> from should_dsl import *

>>> 1 |should_be| 1
True

>>> 1 |should_not_be| 1.1
True

>>> 1 |should_be| 2
Traceback (most recent call last):
    ...
ShouldNotSatisfied: 1 is not 2

>>> 1 |should_not_be| 1
Traceback (most recent call last):
    ...
ShouldNotSatisfied: 1 is 1

