def tests(): return create_suite(Tests)
def tests(): return create_suite([LabelsTests, DatastreamTests])
def tests(): return create_suite([WordTokensTests, SentencesTests])
def all(): return create_suite(unit())
def tests(): return create_suite( [OccurrenceCountBuilderTests, VocabularySizeBuilderTests])
def tests(): return create_suite([PerplexityTests])
def tests(): return create_suite([UtilTests])
def tests(): return create_suite([TokenTests, StrictTokenTests])