Fix performance of report builder spec (#6024)

Gemfile

@@ -162,6 +162,8 @@ group :test do
   gem 'database_cleaner'
   # mock http calls
   gem 'webmock'
+  # test profiling
+  gem 'test-prof'
 end
 
 group :development, :test do

Gemfile.lock

@@ -656,6 +656,7 @@ GEM
     statsd-ruby (1.5.0)
     stripe (6.5.0)
     telephone_number (1.4.16)
+    test-prof (1.0.11)
     thor (1.2.1)
     tilt (2.0.10)
     time_diff (0.3.0)
@@ -815,6 +816,7 @@ DEPENDENCIES
   squasher
   stripe
   telephone_number
+  test-prof
   time_diff
   twilio-ruby (~> 5.66)
   twitty

spec/builders/v2/report_builder_spec.rb

@@ -2,15 +2,16 @@ require 'rails_helper'
 
 describe ::V2::ReportBuilder do
   include ActiveJob::TestHelper
-  let!(:account) { create(:account) }
-  let!(:user) { create(:user, account: account) }
-  let!(:inbox) { create(:inbox, account: account) }
-  let(:inbox_member) { create(:inbox_member, user: user, inbox: inbox) }
-  let!(:label_1) { create(:label, title: 'Label_1', account: account) }
-  let!(:label_2) { create(:label, title: 'Label_2', account: account) }
+  let_it_be(:account) { create(:account) }
+  let_it_be(:label_1) { create(:label, title: 'Label_1', account: account) }
+  let_it_be(:label_2) { create(:label, title: 'Label_2', account: account) }
 
   describe '#timeseries' do
-    before do
+    before_all do
+      user = create(:user, account: account)
+      inbox = create(:inbox, account: account)
+      create(:inbox_member, user: user, inbox: inbox)
+
       gravatar_url = 'https://www.gravatar.com'
       stub_request(:get, /#{gravatar_url}.*/).to_return(status: 404)
 

spec/rails_helper.rb

@@ -7,6 +7,10 @@ require 'rspec/rails'
 require 'pundit/rspec'
 require 'sidekiq/testing'
 
+# test-prof helpers for tests optimization
+require 'test_prof/recipes/rspec/before_all'
+require 'test_prof/recipes/rspec/let_it_be'
+
 # Add additional requires below this line. Rails is not loaded until this point!
 
 # Requires supporting ruby files with custom matchers and macros, etc, in