Fixed #29273 -- Prevented initial selection of empty choice in multiple choice widgets.

Regression in b52c73008a9d67e9ddbb841872dc15cdd3d6ee01.

1 files changed, 5 insertions, 3 deletions

diff --git a/tests/forms_tests/widget_tests/test_selectmultiple.py b/tests/forms_tests/widget_tests/test_selectmultiple.py
index 08606a18c4..eb144ba4b3 100644
--- a/tests/forms_tests/widget_tests/test_selectmultiple.py
+++ b/tests/forms_tests/widget_tests/test_selectmultiple.py
@@ -9,7 +9,7 @@ class SelectMultipleTest(WidgetTest):
 
     def test_format_value(self):
         widget = self.widget(choices=self.numeric_choices)
-        self.assertEqual(widget.format_value(None), [''])
+        self.assertEqual(widget.format_value(None), [])
         self.assertEqual(widget.format_value(''), [''])
         self.assertEqual(widget.format_value([3, 0, 1]), ['3', '0', '1'])
 
@@ -35,10 +35,12 @@ class SelectMultipleTest(WidgetTest):
 
     def test_render_none(self):
         """
-        If the value is None, none of the options are selected.
+        If the value is None, none of the options are selected, even if the
+        choices have an empty option.
         """
-        self.check_html(self.widget(choices=self.beatles), 'beatles', None, html=(
+        self.check_html(self.widget(choices=(('', 'Unknown'),) + self.beatles), 'beatles', None, html=(
             """<select multiple name="beatles">
+            <option value="">Unknown</option>
             <option value="J">John</option>
             <option value="P">Paul</option>
             <option value="G">George</option>