created functional_tests.my_lists_page to contain helpers for viewing shared lists; refactored several other FTs to passing

src/functional_tests/test_sharing.py

@@ -3,6 +3,7 @@ from selenium.webdriver.common.by import By
 
 from .base import FunctionalTest
 from .list_page import ListPage
+from .my_lists_page import MyListsPage
 
 
 # Helper fns
@@ -36,3 +37,18 @@ class SharingTest(FunctionalTest):
         )
 
         list_page.share_list_with("friend@example.com")
+
+        self.browser = ali_browser
+        MyListsPage(self).go_to_my_lists_page("alice@example.com")
+
+        self.browser.find_element(By.LINK_TEXT, "Send help").click()
+
+        self.wait_for(
+            lambda: self.assertEqual(list_page.get_list_owner(), "discoman@example.com")
+        )
+
+        list_page.add_list_item("At your command, Disco King")
+
+        self.browser = disco_browser
+        self.browser.refresh()
+        list_page.wait_for_row_in_list_table("At your command, Disco King", 2)