Fix syntax error

app/views/registrar/invoices/pdf.haml

@@ -153,7 +153,7 @@
 
             - if @invoice.cancelled?
               %dt= Invoice.human_attribute_name :cancelled_at
-              %dd= l @invoice.cancelled_at,
+              %dd= l @invoice.cancelled_at
 
             %dt= t(:due_date)
             - if @invoice.cancelled?

test/integration/admin_area/invoices_test.rb

@@ -0,0 +1,13 @@
+require 'test_helper'
+
+class AdminAreaInvoicesIntegrationTest < ApplicationIntegrationTest
+  setup do
+    @invoice = invoices(:one)
+    sign_in users(:admin)
+  end
+
+  def test_download_invoice_pdf
+    get admin_invoice_download_pdf_path(@invoice)
+    assert_response :ok
+  end
+end

test/integration/registrar_area/invoices_test.rb

@@ -0,0 +1,13 @@
+require 'test_helper'
+
+class RegistrarAreaInvoicesIntegrationTest < ApplicationIntegrationTest
+  setup do
+    @invoice = invoices(:one)
+    sign_in users(:api_bestnames)
+  end
+
+  def test_download_invoice_pdf
+    get download_pdf_registrar_invoice_path(@invoice)
+    assert_response :ok
+  end
+end