Added test file

test/data/valid_openapi/enumAllOfConflicts.yaml

@@ -0,0 +1,64 @@
+openapi: "3.0.0"
+info:
+  version: 1.0.0
+  title: Swagger Petstore
+  license:
+    name: MIT
+servers:
+  - url: http://petstore.swagger.io/v1
+paths:
+  /pets:
+    get:
+      summary: List all pets
+      operationId: listPets
+      tags:
+        - pets
+      responses:
+        '200':
+          description: An paged array of pets
+          headers:
+            x-next:
+              description: A link to the next page of responses
+              schema:
+                type: string
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/StatusSEP24Test"
+        default:
+          description: unexpected error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+components:
+  schemas:
+    StatusSEPGeneric:
+      type: string
+      description: Statuses common for all SEP transactions
+      enum:
+        - incomplete
+        - completed
+        - refunded
+    StatusSEP24Test:
+      description: Possible status value for SEP-24 transactions
+      properties:
+        status:
+          allOf:
+            - $ref: '#/components/schemas/StatusSEPGeneric'
+            - type: string
+              description: Unique SEP-24 statuses
+              enum:
+                - no_market
+                - too_small
+                - too_large
+    Error:
+      required:
+        - code
+        - message
+      properties:
+        code:
+          type: integer
+          format: int32
+        message:
+          type: string