This package is a work in progress. It will contain all the matchers you were missing. If you have a good general purpose matcher, submit a PR!
Currently we have:
Comparables
isAfter(Comparable)
isAfterOrEqualTo(Comparable)
isBefore(Comparable)
isBeforeOrEqualTo(Comparable)
Iterables
iterableStartsWith(Iterable)
iterableEndsWith(Iterable)
Strings
stringContainsNTimes(String, int)
Testing Other Matchers
throwsTestFailure
throwsTestFailureContaining(String)