def test_expand_pagination():
time.sleep(0.5)
pages = '456-7'
new_pages = pubmed_client.expand_pagination(pages)
assert new_pages == '456-457'
def test_expand_pagination():
time.sleep(0.3)
pages = '456-7'
new_pages = pubmed_client.expand_pagination(pages)
assert new_pages == '456-457'
def test_expand_pagination():
pages = '456-7'
new_pages = pubmed_client.expand_pagination(pages)
assert new_pages == '456-457'
def test_expand_pagination():
pages = '456-7'
new_pages = pubmed_client.expand_pagination(pages)
assert(new_pages == '456-457')