from django.contrib.staticfiles.testing import StaticLiveServerTestCase
from selenium import webdriver


class FunctionalTest(StaticLiveServerTestCase):
    def setUp(self):
        self.browser = webdriver.PhantomJS()
        # Wait up tp 3 seconds for an element to appear
        self.browser.implicitly_wait(3)

    def tearDown(self):
        self.browser.quit()

from django.contrib.staticfiles.testing import StaticLiveServerTestCase
from selenium import webdriver


class FunctionalTest(StaticLiveServerTestCase):
    def setUp(self):
        self.browser = webdriver.PhantomJS()
        # Wait up tp 3 seconds for an element to appear
        self.browser.implicitly_wait(10)

    def tearDown(self):
        self.browser.quit()

Increase selenium implicitly_wait setting