updated tests

test/integration/eis_billing/e_invoice_response_test.rb

@@ -0,0 +1,17 @@
+require 'test_helper'
+
+class EInvoiceResponseTest < ApplicationIntegrationTest
+  setup do
+    sign_in users(:api_bestnames)
+    @invoice = invoices(:one)
+    Spy.on_instance_method(EisBilling::BaseController, :authorized).and_return(true)
+  end
+
+  def test_invoice_should_be_mark_as_sent
+    assert_nil @invoice.e_invoice_sent_at
+    put eis_billing_e_invoice_response_path, params: { invoice_number: @invoice.number}
+
+    @invoice.reload
+    assert_not_nil @invoice.e_invoice_sent_at
+  end
+end