1 files changed, 19 insertions, 0 deletions
diff --git a/tests/admin_utils/admin.py b/tests/admin_utils/admin.py
index a161322bc2..33c791769b 100644
--- a/tests/admin_utils/admin.py
+++ b/tests/admin_utils/admin.py
@@ -1,11 +1,30 @@
+from django import forms
 from django.contrib import admin
 
 from .models import Article, ArticleProxy, Site
 
 
+class ArticleAdminForm(forms.ModelForm):
+    nolabel_form_field = forms.BooleanField(required=False)
+
+    class Meta:
+        model = Article
+        fields = ['title']
+
+    @property
+    def changed_data(self):
+        data = super().changed_data
+        if data:
+            # Add arbitrary name to changed_data to test
+            # change message construction.
+            return data + ['not_a_form_field']
+        return data
+
+
 class ArticleInline(admin.TabularInline):
     model = Article
     fields = ['title']
+    form = ArticleAdminForm
 
 
 class SiteAdmin(admin.ModelAdmin):