apps.dashboard.views & .tests.test_views now take advantage of DUPLICATE_ITEM_ERROR & ExistingListItemForm() from .forms

src/apps/dashboard/tests/test_views.py

@@ -1,7 +1,10 @@
 from django.test import TestCase
 from django.utils import html
 from unittest import skip
-from ..forms import EMPTY_ITEM_ERROR
+from ..forms import (
+    DUPLICATE_ITEM_ERROR,
+    EMPTY_ITEM_ERROR,
+)
 from ..models import Item, List
 import lxml.html
 
@@ -119,7 +122,6 @@ class DashViewTest(TestCase):
         response = self.post_invalid_input()
         self.assertContains(response, html.escape(EMPTY_ITEM_ERROR))
 
-    @skip
     def test_duplicate_item_validation_errors_end_up_on_lists_page(self):
         list1 = List.objects.create()
         Item.objects.create(list=list1, text="lorem ipsum")
@@ -129,7 +131,7 @@ class DashViewTest(TestCase):
             data={"text": "lorem ipsum"},
         )
 
-        expected_error = html.escape("You've already logged this to your list")
+        expected_error = html.escape(DUPLICATE_ITEM_ERROR)
         self.assertContains(response, expected_error)
         self.assertTemplateUsed(response, "apps/dashboard/list.html")
         self.assertEqual(Item.objects.all().count(), 1)