launchUITests.py

from gaiatest import GaiaTestCase
import time

class TestIdentitySmoke(GaiaTestCase):
    APP_NAME = 'UI tests'

    _bid_tests_locator = ('link text', 'navigator.mozId tests')
    _bid_iframe_locator = ('css selector', 'iframe[src*="identity"]')

    def setUp(self):
        GaiaTestCase.setUp(self)
        self.apps.launch('ui tests')
        # print 'self.page_source', self.marionette.page_source

    def test_request(self):
        self.wait_for_element_displayed('link text', 'navigator.mozId tests')
        bid_btn = self.marionette.find_element(*self._bid_tests_locator)
        bid_btn.tap()

        self.wait_for_element_present(*self._bid_iframe_locator)
        bid_frame = self.marionette.find_element(*self._bid_iframe_locator)
        self.marionette.switch_to_frame(bid_frame)
        print 'DUMP', self.marionette.page_source.encode('utf-8')