misc: rename "json feed" cell as "json prototype" cell (#34471)

combo/data/migrations/0021_jsoncell.py

@@ -29,7 +29,7 @@ class Migration(migrations.Migration):
                 ('page', models.ForeignKey(to='data.Page')),
             ],
             options={
-                'verbose_name': 'JSON Feed',
+                'verbose_name': 'JSON Prototype',
             },
         ),
     ]

combo/data/models.py

@@ -1288,7 +1288,7 @@ class JsonCell(JsonCellBase):
             help_text=_('In seconds. Use 0 for default system timeout'))
 
     class Meta:
-        verbose_name = _('JSON Feed')
+        verbose_name = _('JSON Prototype')
 
     @property
     def varnames(self):

tests/test_manager.py

@@ -953,7 +953,7 @@ def test_page_cell_placeholder(app, admin_user):
     resp = app.get('/manage/pages/%s/' % page.id)
     assert re.findall('data-placeholder-key="(.*)">', resp.text) == ['content', 'foobar', 'footer']
     assert re.findall('<h2>(.*)</h2>', resp.text) == [
-            'Page - One', 'Content', 'JSON Feed / Foobar', 'Footer']
+            'Page - One', 'Content', 'JSON Prototype / Foobar', 'Footer']
 
 def test_page_familycell_placeholder(app, admin_user):
     page = Page(title='My family', slug='my-family', template_name='standard')