Re-use default stock location in specs

spec/controllers/api/v0/shipments_controller_spec.rb

@@ -31,7 +31,7 @@ RSpec.describe Api::V0::ShipmentsController, type: :controller do
     let(:current_api_user) { build(:admin_user) }
     let!(:order) { shipment.order }
     let(:order_ship_address) { create(:address) }
-    let!(:stock_location) { Spree::StockLocation.first || create(:stock_location) }
+    let!(:stock_location) { DefaultStockLocation.find_or_create }
     let!(:variant) { create(:variant) }
     let(:params) do
       { quantity: 2,

spec/factories/product_factory.rb

@@ -26,7 +26,7 @@ FactoryBot.define do
     variant_unit_name { '' }
 
     # ensure stock item will be created for this products master
-    before(:create) { create(:stock_location) if Spree::StockLocation.count.zero? }
+    before(:create) { DefaultStockLocation.find_or_create }
 
     factory :product do
       transient do

spec/factories/shipment_factory.rb

@@ -11,7 +11,7 @@ FactoryBot.define do
     state { 'pending' }
     order
     address
-    stock_location { Spree::StockLocation.first || create(:stock_location) }
+    stock_location { DefaultStockLocation.find_or_create }
 
     after(:create) do |shipment, _evalulator|
       shipment.add_shipping_method(create(:shipping_method), true)
@@ -31,7 +31,7 @@ FactoryBot.define do
     state { 'pending' }
     order
     address
-    stock_location { Spree::StockLocation.first || create(:stock_location) }
+    stock_location { DefaultStockLocation.find_or_create }
 
     trait :shipping_method do
       transient do

spec/factories/variant_factory.rb

@@ -23,7 +23,7 @@ FactoryBot.define do
     product { association :base_product }
 
     # ensure stock item will be created for this variant
-    before(:create) { create(:stock_location) if Spree::StockLocation.count.zero? }
+    before(:create) { DefaultStockLocation.find_or_create }
 
     factory :variant do
       transient do