diff --git a/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
index 597e9f7..dbb4a37 100644
--- a/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
@@ -131,3 +131,38 @@ config_test.schema_data_types:
       type: sequence
       sequence:
         - type: boolean
+
+config_test.types:
+  type: mapping
+  label: 'Configuration type'
+  mapping:
+    array:
+      type: sequence
+      label: 'Array'
+      sequence:
+        - type: string
+          label: 'Item'
+    boolean:
+      type: boolean
+      label: 'Boolean'
+    float:
+      type: float
+      label: 'Float'
+    exp:
+      type: float
+      label: 'Exponential'
+    hex:
+      type: integer
+      label: 'Hexadecimal'
+    int:
+      type: integer
+      label: 'Integer'
+    octal:
+      type: integer
+      label: 'Octal'
+    string:
+      type: string
+      label: 'String'
+    string_int:
+      type: string
+      label: 'String integer'