Add authorization test

Test for auth on the project
jobs resolver.

doc/api/graphql/reference/index.md

@@ -4771,7 +4771,7 @@ An edge in a connection.
 | `iterations` | [`IterationConnection`](#iterationconnection) | Find iterations. |
 | `jiraImportStatus` | [`String`](#string) | Status of Jira import background job of the project. |
 | `jiraImports` | [`JiraImportConnection`](#jiraimportconnection) | Jira imports into the project. |
-| `jobs` | [`CiJobConnection`](#cijobconnection) | Jobs of a project, only jobs of a single project can be requested at a time. |
+| `jobs` | [`CiJobConnection`](#cijobconnection) | Jobs of a single project. |
 | `jobsEnabled` | [`Boolean`](#boolean) | Indicates if CI/CD pipeline jobs are enabled for the current user. |
 | `label` | [`Label`](#label) | A label available on this project. |
 | `labels` | [`LabelConnection`](#labelconnection) | Labels available on this project. |

spec/graphql/resolvers/project_jobs_resolver_spec.rb

@@ -5,21 +5,26 @@ require 'spec_helper'
 RSpec.describe Resolvers::ProjectJobsResolver do
   include GraphqlHelpers
 
-  let_it_be(:project) { create(:project, :repository, :public) }
-  let_it_be(:irrelevant_project) { create(:project, :repository, :public) }
+  let_it_be(:project) { create(:project, :repository) }
+  let_it_be(:irrelevant_project) { create(:project, :repository) }
   let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
   let_it_be(:irrelevant_pipeline) { create(:ci_pipeline, project: irrelevant_project) }
+  let_it_be(:build_one) { create(:ci_build, :success, name: 'Build One', pipeline: pipeline) }
+  let_it_be(:build_two) { create(:ci_build, :success, name: 'Build Two', pipeline: pipeline) }
+  let_it_be(:build_three) { create(:ci_build, :failed, name: 'Build Three', pipeline: pipeline) }
 
-  let(:current_user) { create(:user) }
-  let(:build_one) { create(:ci_build, :success, name: 'Build One', pipeline: pipeline) }
-  let(:build_two) { create(:ci_build, :success, name: 'Build Two', pipeline: pipeline) }
-  let(:build_three) { create(:ci_build, :failed, name: 'Build Three', pipeline: pipeline) }
   let(:irrelevant_build) { create(:ci_build, name: 'Irrelevant Build', pipeline: irrelevant_pipeline)}
   let(:args) { {} }
+  let(:current_user) { create(:user) }
 
   subject { resolve_jobs(args) }
 
   describe '#resolve' do
+    context 'with authorized user' do
+      before do
+        project.add_developer(current_user)
+      end
+
       context 'with statuses argument' do
         let(:args) { { statuses: [Types::Ci::JobStatusEnum.coerce_isolated_input('SUCCESS')] } }
 
@@ -31,6 +36,13 @@ RSpec.describe Resolvers::ProjectJobsResolver do
       end
     end
 
+    context 'with unauthorized user' do
+      let(:current_user) { nil }
+
+      it { is_expected.to be_nil }
+    end
+  end
+
   private
 
   def resolve_jobs(args = {}, context = { current_user: current_user })