spiked in custom passwordless auth backend

functional_tests/base.py

@@ -18,13 +18,15 @@ class FunctionalTest(StaticLiveServerTestCase):
         self.options.add_argument('--no-sandbox')
         self.options.add_argument('--headless')
         self.options.add_argument('disable-gpu')
-        self.options.add_argument('--dns-prefetch-disable')
+        self.options.add_argument("--disable-gpu")
+        self.options.add_argument("--disable-extensions")
         self.createBrowserInstance()
 
     def createBrowserInstance(self):
         try:
             self.browser = webdriver.Chrome(options=self.options)
         except WebDriverException:
+            # linux
             self.browser = webdriver.Chrome('./chromedriver',
                                             options=self.options)
         self.browser.implicitly_wait(3)