only in patch2:
unchanged:
--- /dev/null
+++ b/core/profiles/testing/config/install/block.block.classy_branding.yml
@@ -0,0 +1,22 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - system
+  theme:
+    - classy
+id: classy_branding
+theme: classy
+region: header
+weight: 0
+provider: null
+plugin: system_branding_block
+settings:
+  id: system_branding_block
+  label: 'Site branding'
+  provider: system
+  label_display: '0'
+  use_site_logo: true
+  use_site_name: true
+  use_site_slogan: true
+visibility: {  }