Replace set with let_it_be in spec/graphql

Removes usage of `set` in specs

spec/graphql/features/authorization_spec.rb

@@ -5,8 +5,7 @@ require 'spec_helper'
 describe 'Gitlab::Graphql::Authorization' do
   include GraphqlHelpers
 
-  set(:user) { create(:user) }
-
+  let_it_be(:user) { create(:user) }
   let(:permission_single) { :foo }
   let(:permission_collection) { [:foo, :bar] }
   let(:test_object) { double(name: 'My name') }

spec/graphql/resolvers/concerns/resolves_pipelines_spec.rb

@@ -17,11 +17,11 @@ describe ResolvesPipelines do
 
   let(:current_user) { create(:user) }
 
-  set(:project) { create(:project, :private) }
-  set(:pipeline) { create(:ci_pipeline, project: project) }
-  set(:failed_pipeline) { create(:ci_pipeline, :failed, project: project) }
-  set(:ref_pipeline) { create(:ci_pipeline, project: project, ref: 'awesome-feature') }
-  set(:sha_pipeline) { create(:ci_pipeline, project: project, sha: 'deadbeef') }
+  let_it_be(:project) { create(:project, :private) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
+  let_it_be(:failed_pipeline) { create(:ci_pipeline, :failed, project: project) }
+  let_it_be(:ref_pipeline) { create(:ci_pipeline, project: project, ref: 'awesome-feature') }
+  let_it_be(:sha_pipeline) { create(:ci_pipeline, project: project, sha: 'deadbeef') }
 
   before do
     project.add_developer(current_user)

spec/graphql/resolvers/group_resolver_spec.rb

@@ -5,8 +5,8 @@ require 'spec_helper'
 describe Resolvers::GroupResolver do
   include GraphqlHelpers
 
-  set(:group1) { create(:group) }
-  set(:group2) { create(:group) }
+  let_it_be(:group1) { create(:group) }
+  let_it_be(:group2) { create(:group) }
 
   describe '#resolve' do
     it 'batch-resolves groups by full path' do

spec/graphql/resolvers/issues_resolver_spec.rb

@@ -8,11 +8,11 @@ describe Resolvers::IssuesResolver do
   let(:current_user) { create(:user) }
 
   context "with a project" do
-    set(:project) { create(:project) }
-    set(:issue1) { create(:issue, project: project, state: :opened, created_at: 3.hours.ago, updated_at: 3.hours.ago) }
-    set(:issue2) { create(:issue, project: project, state: :closed, title: 'foo', created_at: 1.hour.ago, updated_at: 1.hour.ago, closed_at: 1.hour.ago) }
-    set(:label1) { create(:label, project: project) }
-    set(:label2) { create(:label, project: project) }
+    let_it_be(:project) { create(:project) }
+    let_it_be(:issue1) { create(:issue, project: project, state: :opened, created_at: 3.hours.ago, updated_at: 3.hours.ago) }
+    let_it_be(:issue2) { create(:issue, project: project, state: :closed, title: 'foo', created_at: 1.hour.ago, updated_at: 1.hour.ago, closed_at: 1.hour.ago) }
+    let_it_be(:label1) { create(:label, project: project) }
+    let_it_be(:label2) { create(:label, project: project) }
 
     before do
       project.add_developer(current_user)

spec/graphql/resolvers/merge_request_pipelines_resolver_spec.rb

@@ -5,8 +5,8 @@ require 'spec_helper'
 describe Resolvers::MergeRequestPipelinesResolver do
   include GraphqlHelpers
 
-  set(:merge_request) { create(:merge_request) }
-  set(:pipeline) do
+  let_it_be(:merge_request) { create(:merge_request) }
+  let_it_be(:pipeline) do
     create(
       :ci_pipeline,
       project: merge_request.source_project,
@@ -14,8 +14,8 @@ describe Resolvers::MergeRequestPipelinesResolver do
       sha: merge_request.diff_head_sha
     )
   end
-  set(:other_project_pipeline) { create(:ci_pipeline, project: merge_request.source_project) }
-  set(:other_pipeline) { create(:ci_pipeline) }
+  let_it_be(:other_project_pipeline) { create(:ci_pipeline, project: merge_request.source_project) }
+  let_it_be(:other_pipeline) { create(:ci_pipeline) }
   let(:current_user) { create(:user) }
 
   before do

spec/graphql/resolvers/merge_requests_resolver_spec.rb

@@ -5,16 +5,13 @@ require 'spec_helper'
 describe Resolvers::MergeRequestsResolver do
   include GraphqlHelpers
 
-  set(:project) { create(:project, :repository) }
-  set(:merge_request_1) { create(:merge_request, :simple, source_project: project, target_project: project) }
-  set(:merge_request_2) { create(:merge_request, :rebased, source_project: project, target_project: project) }
-
-  set(:other_project) { create(:project, :repository) }
-  set(:other_merge_request) { create(:merge_request, source_project: other_project, target_project: other_project) }
-
+  let_it_be(:project) { create(:project, :repository) }
+  let_it_be(:merge_request_1) { create(:merge_request, :simple, source_project: project, target_project: project) }
+  let_it_be(:merge_request_2) { create(:merge_request, :rebased, source_project: project, target_project: project) }
+  let_it_be(:other_project) { create(:project, :repository) }
+  let_it_be(:other_merge_request) { create(:merge_request, source_project: other_project, target_project: other_project) }
   let(:iid_1) { merge_request_1.iid }
   let(:iid_2) { merge_request_2.iid }
-
   let(:other_iid) { other_merge_request.iid }
 
   describe '#resolve' do

spec/graphql/resolvers/project_pipelines_resolver_spec.rb

@@ -5,9 +5,9 @@ require 'spec_helper'
 describe Resolvers::ProjectPipelinesResolver do
   include GraphqlHelpers
 
-  set(:project) { create(:project) }
-  set(:pipeline) { create(:ci_pipeline, project: project) }
-  set(:other_pipeline) { create(:ci_pipeline) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
+  let_it_be(:other_pipeline) { create(:ci_pipeline) }
   let(:current_user) { create(:user) }
 
   before do

spec/graphql/resolvers/project_resolver_spec.rb

@@ -5,10 +5,9 @@ require 'spec_helper'
 describe Resolvers::ProjectResolver do
   include GraphqlHelpers
 
-  set(:project1) { create(:project) }
-  set(:project2) { create(:project) }
-
-  set(:other_project) { create(:project) }
+  let_it_be(:project1) { create(:project) }
+  let_it_be(:project2) { create(:project) }
+  let_it_be(:other_project) { create(:project) }
 
   describe '#resolve' do
     it 'batch-resolves projects by full path' do