Fix test failure

tests/test_admin.py

@@ -28,7 +28,7 @@ def test_media_field_in_admin(self):
         )
         self.assertContains(
             response,
-            '<script>createMediaChooser("id_related_media-__prefix__-link_media");<-/script>',
+            '<script>createMediaChooser("id_related_media-__prefix__-link_media");</script>',
         )
         self.assertContains(response, "media-chooser.js")
 

tox.ini

@@ -2,9 +2,8 @@
 min_version = 4.0
 
 envlist =
-    py{38,39,310}-dj{32,41}-wagtail{41,42,50,51}
+    py{38,39,310}-dj{32,41}-wagtail{41,50,51}
     py{311}-dj{41,42}-wagtail{50,51}
-    interactive
 
 [gh-actions]
 python =
@@ -32,7 +31,6 @@ deps =
     dj41: Django>=4.1,<4.2
     dj42: Django>=4.2,<5.0
     wagtail41: wagtail>=4.1,<4.2
-    wagtail42: wagtail>=4.2,<5.0
     wagtail50: wagtail>=5.0,<5.1
     wagtail51: wagtail>=5.1,<5.2
     interactive: wagtail>=4.1
@@ -49,6 +47,8 @@ commands =
 
 [testenv:wagtailmain]
 description = Test with latest Wagtail main branch
+deps =
+    wagtailmain: git+https://github.com/wagtail/wagtail.git@main#egg=Wagtail
 
 [testenv:interactive]
 package = editable