Fixed #2077 -- Renamed 'repr' model tests to 'str'

"""

2. Adding __repr__() to models

2. Adding __str__() to models

Although it's not a strict requirement, each model should have a ``__repr__()``

Although it's not a strict requirement, each model should have a ``__str__()``

method to return a "human-readable" representation of the object. Do this not

only for your own sanity when dealing with the interactive prompt, but also

because objects' representations are used throughout Django's

    headline = models.CharField(maxlength=100)

    pub_date = models.DateTimeField()

    def __repr__(self):

    def __str__(self):

        return self.headline

API_TESTS = """

>>> a = Article(headline='Area man programs in Python', pub_date=datetime(2005, 7, 28))

>>> a.save()

>>> repr(a)

>>> str(a)

'Area man programs in Python'

>>> a

Area man programs in Python

<Article: Area man programs in Python>

"""