fix payment methods table to show proper provider name

app/views/spree/admin/payment_methods/index.html.haml

@@ -32,7 +32,7 @@
             - method.distributors.each do |distributor|
               = distributor.name
               %br/
-          %td= method.type
+          %td= method.class.clean_name
           %td.align-center= method.environment.to_s.titleize
           %td.align-center= method.display_on.blank? ? t('.both') : t('.' + method.display_on.to_s)
           %td.align-center= method.active ? t('.active_yes') : t('.active_no')

spec/features/admin/payment_method_spec.rb

@@ -185,6 +185,16 @@ feature '
       expect(page).not_to have_content payment_method3.name
     end
 
+    it "shows only the providers of the existing payment methods" do
+      payment_method1
+      payment_method2
+      payment_method3
+
+      visit spree.admin_payment_methods_path
+
+      expect(page).to have_content "Cash/EFT/etc. (payments for which automatic validation is not required)", count: 2
+    end
+
     it "does not show duplicates of payment methods" do
       payment_method1
       payment_method2