def test_for_partial_ent_sents():
    """Spans may be associated with multiple sentences. These .sents should always be complete, not partial, sentences,
    which this tests for.
    """
    doc = Doc(
        English().vocab,
        words=["Mahler's", "Symphony", "No.", "8", "was", "beautiful."],
        sent_starts=[1, 0, 0, 1, 0, 0],
    )
    doc.set_ents([Span(doc, 1, 4, "WORK")])
    # The specified entity is associated with both sentences in this doc, so we expect all sentences in the doc to be
    # equal to the sentences referenced in ent.sents.
    for doc_sent, ent_sent in zip(doc.sents, doc.ents[0].sents):
        assert doc_sent == ent_sent
Spans may be associated with multiple sentences. These .sents should always be complete, not partial, sentences,
    which this tests for.
    
spacy/tests/doc/test_span.py