Use POST method for group webhook test action

config/routes/group.rb

@@ -83,7 +83,7 @@ constraints(::Constraints::GroupUrlConstrainer.new) do
 
     resources :hooks, only: [:index, :create, :destroy], constraints: { id: /\d+/ } do
       member do
-        get :test
+        post :test
       end
     end
 

ee/app/views/groups/hooks/_project_hook.html.haml

@@ -9,7 +9,7 @@
     .col-md-4.col-lg-5.text-right-lg.prepend-top-5
       %span.append-right-10.inline
         SSL Verification: #{hook.enable_ssl_verification ? "enabled" : "disabled"}
-      = link_to "Test", test_group_hook_path(@group, hook), class: "btn btn-sm"
+      = link_to "Test", test_group_hook_path(@group, hook), class: "btn btn-sm", method: :post
       = link_to group_hook_path(@group, hook), data: { confirm: 'Are you sure?'}, method: :delete, class: "btn btn-transparent" do
         %span.sr-only Remove
         = icon('trash')

ee/spec/features/groups/hooks/user_tests_hooks_spec.rb

-require "spec_helper"
+require "rails_helper"
 
-describe "User tests hooks" do
-  set(:group) { create(:group) }
-  set(:hook) { create(:group_hook, group: group) }
-  set(:user) { create(:user) }
+describe "User tests hooks", :js do
+  let!(:group) { create(:group) }
+  let!(:hook) { create(:group_hook, group: group) }
+  let!(:user) { create(:user) }
 
   before do
     group.add_owner(user)

ee/spec/routing/webhook_routes_spec.rb

@@ -7,7 +7,7 @@ describe "routes to the proper webhooks controller", type: :routing do
 
     it "routes the test action" do
       expect(
-        get: polymorphic_path([project.namespace.becomes(Namespace), project, project_hook], action: :test)
+        post: polymorphic_path([project.namespace.becomes(Namespace), project, project_hook], action: :test)
       ).to route_to(controller: 'projects/hooks',
                     action: 'test',
                     namespace_id: project.namespace.name,
@@ -32,7 +32,7 @@ describe "routes to the proper webhooks controller", type: :routing do
 
     it "routes the test action" do
       expect(
-        get: polymorphic_path([group, group_hook], action: :test)
+        post: polymorphic_path([group, group_hook], action: :test)
       ).to route_to(controller: 'groups/hooks',
                     action: 'test',
                     group_id: group.name,