Extract customers stripe stub to StripeStubs helper

spec/features/consumer/shopping/checkout_stripe_spec.rb

@@ -204,23 +204,11 @@ feature "Check out with Stripe", js: true do
       end
 
       context "saving a card and re-using it" do
-        let(:customers_response_mock) do
-          { status: 200,
-            body: JSON.generate(id: "cus_A123",
-                                sources: { data: [id: "cus_A123"] }) }
-        end
-
         before do
           stub_payment_methods_post_request request: { payment_method: "pm_123", customer: "cus_A123" }, response: { pm_id: "pm_123" }
           stub_payment_intents_post_request order: order
           stub_successful_capture_request order: order
-
-          # Creates a customer
-          #   This stubs the customers call to both the main stripe account and the connected account
-          stub_request(:post, "https://api.stripe.com/v1/customers")
-            .with(body: { email: user.email })
-            .to_return(customers_response_mock)
-
+          stub_customer_post_request email: user.email
           stub_payment_method_attach_request
         end
 

spec/support/request/stripe_stubs.rb

@@ -35,6 +35,13 @@ module StripeStubs
       .to_return(hub_payment_method_response_mock({ pm_id: "pm_123" }))
   end
 
+  # Stubs the customers call to both the main stripe account and the connected account
+  def stub_customer_post_request(email:)
+    stub_request(:post, "https://api.stripe.com/v1/customers")
+      .with(body: { email: email })
+      .to_return(customers_response_mock)
+  end
+
   def stub_successful_capture_request(order:, response: {})
     stub_capture_request(order, payment_successful_capture_mock(response))
   end
@@ -98,6 +105,12 @@ module StripeStubs
       body: JSON.generate(id: options[:pm_id] || "pm_456", customer: "cus_A123") }
   end
 
+  def customers_response_mock
+    { status: 200,
+      body: JSON.generate(id: "cus_A123",
+                          sources: { data: [id: "cus_A123"] }) }
+  end
+
   def payment_successful_refund_mock
     { status: 200,
       body: JSON.generate(object: "refund",