diff -u b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
--- b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
+++ b/core/modules/config/tests/config_test/config/schema/config_test.schema.yml
@@ -36,13 +35,0 @@
-
-config_test_dynamic:
-  type: config_entity
-  mapping:
-    weight:
-      type: integer
-      label: 'Weight'
-    style:
-      type: string
-      label: 'style'
-    protected_property:
-      type: string
-      label: 'Protected property'