feat: add basic Delete support for CRUD master view

tests/grids/test_base.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8; -*-
 
 from unittest import TestCase
+from unittest.mock import patch
 
 from pyramid import testing
 
@@ -151,6 +152,14 @@ class TestGridAction(TestCase):
         label = action.render_label()
         self.assertEqual(label, "Bar")
 
+    def test_render_icon_and_label(self):
+        action = self.make_action('blarg')
+        with patch.multiple(action,
+                            render_icon=lambda: 'ICON',
+                            render_label=lambda: 'LABEL'):
+            html = action.render_icon_and_label()
+            self.assertEqual('ICON LABEL', html)
+
     def test_get_url(self):
         obj = {'foo': 'bar'}