Address review comments

app/controllers/projects/services_controller.rb

@@ -4,7 +4,7 @@ class Projects::ServicesController < Projects::ApplicationController
   # Authorize
   before_action :authorize_admin_project!
   before_action :service, only: [:edit, :update, :test]
-  before_action :build_service, only: [:update, :test]
+  before_action :update_service, only: [:update, :test]
   respond_to :html
@@ -50,7 +50,7 @@ class Projects::ServicesController < Projects::ApplicationController
     end
   end
-  def build_service
+  def update_service
     @service.assign_attributes(service_params[:service])
   end

app/views/projects/services/_form.html.haml

@@ -9,7 +9,7 @@
     %p= @service.description
   .col-lg-9
-    = form_for(@service, as: :service, url: namespace_project_service_path(@project.namespace, @project, @service.to_param), method: :put, html: { class: 'gl-show-field-errors form-horizontal js-integration-settings-form', data: { "can-test" => "#{@service.can_test?}", "test-url" => "#{test_namespace_project_service_path(@project.namespace, @project, @service)}" } }) do |form|
+    = form_for(@service, as: :service, url: namespace_project_service_path(@project.namespace, @project, @service.to_param), method: :put, html: { class: 'gl-show-field-errors form-horizontal js-integration-settings-form', data: { 'can-test' => @service.can_test?, 'test-url' => test_namespace_project_service_path } }) do |form|
       = render 'shared/service_settings', form: form, subject: @service
       .footer-block.row-content-block
         %button.btn.btn-save{ type: 'submit' }
@@ -22,4 +22,4 @@
             - disabled_class = 'disabled'
             - disabled_title = @service.disabled_title
-        = link_to "Cancel", namespace_project_settings_integrations_path(@project.namespace, @project), class: "btn btn-cancel"
+        = link_to 'Cancel', namespace_project_settings_integrations_path(@project.namespace, @project), class: 'btn btn-cancel'

changelogs/unreleased/31511-jira-settings.yml

 ---
-title: Simplify test&save actions when setting a service integration
+title: Simplify testing and saving service integrations
 merge_request: 11599
 author:

spec/features/projects/services/jira_service_spec.rb

@@ -76,7 +76,7 @@ feature 'Setup Jira service', :feature, :js do
     end
   end
-  describe 'user sets Jira Service but keeps it non active' do
+  describe 'user sets Jira Service but keeps it disabled' do
     context 'when Jira connection test succeeds' do
       it 'activates the JIRA service' do
         click_link('JIRA')