How to use page objects with nlm_selenium

pytest.ini

[pytest]
baseurl = https://ned.nih.gov
browser = chrome

test_case_example.py

from nlm_selenium import SeleniumTestCase
from nlm_selenium.page_objects import PageObject, PageElement


class SearchPage(PageObject):
    URI = '/search/'

    last_name = PageElement(id_='ContentPlaceHolder_txtLastName')
    first_name = PageElement(id_='ContentPlaceHolder_txtFirstName')
    search_button = PageElement(id_='ContentPlaceHolder_btnSearchName')
    records_label = PageElement(id_='ContentPlaceHolder_lblRecords', caching=False)
    error_label = PageElement(id_='ContentPlaceHolder_lblError', caching=False)

    def should_have_no_results(self):
        assert self.error_label
        assert self.error_label.text

    def should_have_results(self):
        assert self.records_label
        assert self.records_label.text


class TestNedSearch(SeleniumTestCase):
    def test_wiring(self):
        assert self.baseUrl == 'https://ned.nih.gov'

    def test_ned_search_1(self):
        # open | https:#ned.nih.gov/search/ |
        page = SearchPage(self.driver, self.baseUrl)
        page.open()
        page.wait_for('first_name', 'last_name', 'search_button')

        # type | id=ContentPlaceHolder_txtLastName | Paleontology
        page.last_name.clear()
        page.last_name.send_keys("Paleontology")

        # type | id=ContentPlaceHolder_txtFirstName | John
        page.first_name.clear()
        page.first_name.send_keys("John")

        # click | id=ContentPlaceHolder_btnSearchName |
        page.search_button.click()
        page.should_have_no_results()

test_function_example.py

from nlm_selenium.page_objects import PageObject, PageElement


class SearchPage(PageObject):
    URI = '/search/'

    last_name = PageElement(id_='ContentPlaceHolder_txtLastName')
    first_name = PageElement(id_='ContentPlaceHolder_txtFirstName')
    search_button = PageElement(id_='ContentPlaceHolder_btnSearchName')
    records_label = PageElement(id_='ContentPlaceHolder_lblRecords', caching=False)
    error_label = PageElement(id_='ContentPlaceHolder_lblError', caching=False)

    def should_have_no_results(self):
        assert self.error_label
        assert self.error_label.text

    def should_have_results(self):
        assert self.records_label
        assert self.records_label.text


def test_wiring(base_url):
    assert base_url == 'https://ned.nih.gov'


def test_ned_search_1(webdriver, base_url):
    # open | https:#ned.nih.gov/search/ |
    page = SearchPage(webdriver, base_url)
    page.open()
    page.wait_for('first_name', 'last_name', 'search_button')

    # type | id=ContentPlaceHolder_txtLastName | Paleontology
    page.last_name.clear()
    page.last_name.send_keys("Paleontology")

    # type | id=ContentPlaceHolder_txtFirstName | John
    page.first_name.clear()
    page.first_name.send_keys("John")

    # click | id=ContentPlaceHolder_btnSearchName |
    page.search_button.click()
    page.should_have_no_results()