Fix suspending an already-limited domain (#25603)

app/views/admin/domain_blocks/confirm_suspension.html.haml

@@ -4,7 +4,7 @@
 - content_for :page_title do
   = t('.title', domain: Addressable::IDNA.to_unicode(@domain_block.domain))
 
-= simple_form_for @domain_block, url: admin_domain_blocks_path(@domain_block) do |f|
+= simple_form_for @domain_block, url: admin_domain_blocks_path, method: :post do |f|
 
   %p.hint= t('.preamble_html', domain: Addressable::IDNA.to_unicode(@domain_block.domain))
   %ul.hint

spec/features/admin/domain_blocks_spec.rb

@@ -53,7 +53,7 @@ describe 'blocking domains through the moderation interface' do
       # Confirming updates the block
       click_on I18n.t('admin.domain_blocks.confirm_suspension.confirm')
 
-      expect(domain_block.reload.severity).to eq 'silence'
+      expect(domain_block.reload.severity).to eq 'suspend'
     end
   end
 
@@ -72,7 +72,7 @@ describe 'blocking domains through the moderation interface' do
       # Confirming updates the block
       click_on I18n.t('admin.domain_blocks.confirm_suspension.confirm')
 
-      expect(domain_block.reload.severity).to eq 'silence'
+      expect(domain_block.reload.severity).to eq 'suspend'
     end
   end
 end