'Assert a list of dicts are equivalent.'

def match(self, l2):

    l1count = len(self.l1)
    l2count = len(l2)
    if (l1count != l2count):
        return ListLengthMismatch(l1count, l2count)
    for (d1, d2) in zip(self.l1, l2):
        matcher = DictMatches(d2, approx_equal=self.approx_equal, tolerance=self.tolerance)
        did_match = matcher.match(d1)
        if did_match:
            return did_match
