fix: fix test by adding migration

wagtail/test/testapp/migrations/0026_alter_streampage_body.py

@@ -0,0 +1,58 @@
+# Generated by Django 4.0.10 on 2023-07-08 22:18
+
+from django.db import migrations
+import wagtail.blocks
+import wagtail.fields
+import wagtail.test.testapp.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("tests", "0025_alter_importantpagesgenericsetting_options"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="streampage",
+            name="body",
+            field=wagtail.fields.StreamField(
+                [
+                    ("text", wagtail.blocks.CharBlock()),
+                    (
+                        "choice",
+                        wagtail.blocks.ChoiceBlock(
+                            choices=wagtail.test.testapp.models.get_callable_choices,
+                            required=False,
+                        ),
+                    ),
+                    ("rich_text", wagtail.blocks.RichTextBlock()),
+                    ("image", wagtail.test.testapp.models.ExtendedImageChooserBlock()),
+                    (
+                        "product",
+                        wagtail.blocks.StructBlock(
+                            [
+                                ("name", wagtail.blocks.CharBlock()),
+                                ("price", wagtail.blocks.CharBlock()),
+                            ]
+                        ),
+                    ),
+                    ("raw_html", wagtail.blocks.RawHTMLBlock()),
+                    (
+                        "books",
+                        wagtail.blocks.StreamBlock(
+                            [
+                                ("title", wagtail.blocks.CharBlock()),
+                                ("author", wagtail.blocks.CharBlock()),
+                            ]
+                        ),
+                    ),
+                    (
+                        "title_list",
+                        wagtail.blocks.ListBlock(wagtail.blocks.CharBlock()),
+                    ),
+                ],
+                use_json_field=True,
+            ),
+        ),
+    ]