Simplify with extracted helper method

engines/dfc_provider/spec/requests/catalog_items_spec.rb

@@ -103,7 +103,7 @@ describe "CatalogItems", type: :request, swagger_doc: "dfc-v1.7/swagger.yaml",
       consumes "application/json"
 
       parameter name: :catalog_item, in: :body, schema: {
-        example: JSON.parse(DfcProvider::Engine.root.join("spec/support/patch_catalog_item.json").read)
+        example: ExampleJson.read("patch_catalog_item")
       }
 
       before { product }

engines/dfc_provider/spec/requests/supplied_products_spec.rb

@@ -103,9 +103,7 @@ describe "SuppliedProducts", type: :request, swagger_doc: "dfc-v1.7/swagger.yaml
       parameter name: :supplied_product, in: :body, schema: {}
 
       let(:id) { variant.id }
-      let(:supplied_product) do
-        JSON.parse(DfcProvider::Engine.root.join("spec/support/patch_supplied_product.json").read)
-      end
+      let(:supplied_product) { ExampleJson.read("patch_supplied_product") }
 
       response "401", "unauthorized" do
         before { login_as nil }

engines/dfc_provider/spec/support/example_json.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+module ExampleJson
+  def self.read(name)
+    pathname = DfcProvider::Engine.root.join("spec/support/#{name}.json")
+    JSON.parse(pathname.read)
+  end
+end