[RED] add functional test to delete todo feature

functional_tests/test_delete_todo.py

+from selenium import webdriver
+from selenium.common.exceptions import WebDriverException
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.keys import Keys
+import time
+import unittest
+import environ
+from django.contrib.staticfiles.testing import StaticLiveServerTestCase
+from unittest import skip
+from .base import FunctionalTest
+
+class DeleteTodoTest(FunctionalTest):
+
+    def test_can_delete(self):
+        self.browser.get(self.live_server_url)
+
+        inputbox = self.browser.find_element_by_id('id_new_item')
+        self.assertEqual(
+            inputbox.get_attribute('placeholder'),
+            'Enter a to-do item'
+        )
+
+        inputbox.send_keys('Buy peacock feathers')
+
+        inputbox.send_keys(Keys.ENTER)
+
+        button = self.browser.find_elements_by_class_name('to-do-list-delete-button')
+
+        button[0].click()
+
+