Add failing test

Author: SOHELAHMED7

tests/specs/issue_fix/74_invalid_schema_reference_error/Product.yaml

@@ -0,0 +1,26 @@
+# Product:
+title: Product
+x-table: products
+type: object
+
+required:
+  - id
+  - vat_rate
+
+
+properties:
+
+  id:
+    type: integer
+    example: 12531
+    readOnly: true
+
+
+  vat_rate:
+    type: string
+    enum:
+      - standard
+      - reduced
+      - custom
+      - none
+    default: standard

tests/specs/issue_fix/74_invalid_schema_reference_error/index.yaml

@@ -17,7 +17,8 @@ components:
         id:
           type: integer
         vat_rate:
-          $ref: '#/components/schemas/Product/properties/vat_rate'
+          # $ref: '#/components/schemas/Product/properties/vat_rate' # issue is not observed
+          $ref: './Product.yaml#/properties/vat_rate'  # issue is observed
     Product:
       type: object
       properties: