RSpec zero monkey patching mode

The plan for RSpec 4.0 is to disable monkey patching:
https://rspec.info/blog/2013/07/the-plan-for-rspec-3/#zero-monkey-patching-mode

This commit stops using RSpec monkey patching:
https://relishapp.com/rspec/rspec-core/docs/configuration/zero-monkey-patching-mode

ee/spec/workers/geo/design_repository_sync_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::DesignRepositorySyncWorker, :geo do
+RSpec.describe Geo::DesignRepositorySyncWorker, :geo do
   describe '#perform' do
     it 'runs DesignRepositorySyncService' do
       project = create(:project)

ee/spec/workers/geo/event_worker_spec.rb

@@ -2,7 +2,7 @@
 require "spec_helper"
-describe Geo::EventWorker, :geo do
+RSpec.describe Geo::EventWorker, :geo do
   describe "#perform" do
     it "calls Geo::EventService" do
       args = ["package_file", "created", { "model_record_id" => 1 }]

ee/spec/workers/geo/file_download_dispatch_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::FileDownloadDispatchWorker, :geo, :geo_fdw, :use_sql_query_cache_for_tracking_db do
+RSpec.describe Geo::FileDownloadDispatchWorker, :geo, :geo_fdw, :use_sql_query_cache_for_tracking_db do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/file_download_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::FileDownloadWorker, :geo do
+RSpec.describe Geo::FileDownloadWorker, :geo do
   describe '#perform' do
     it 'instantiates and executes FileDownloadService' do
       service = double(:service)

ee/spec/workers/geo/migrated_local_files_clean_up_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::MigratedLocalFilesCleanUpWorker, :geo, :geo_fdw, :use_sql_query_cache_for_tracking_db do
+RSpec.describe Geo::MigratedLocalFilesCleanUpWorker, :geo, :geo_fdw, :use_sql_query_cache_for_tracking_db do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/prune_event_log_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::PruneEventLogWorker, :geo do
+RSpec.describe Geo::PruneEventLogWorker, :geo do
   include ::EE::GeoHelpers
   subject(:worker) { described_class.new }

ee/spec/workers/geo/repositories_clean_up_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoriesCleanUpWorker, :geo, :geo_fdw do
+RSpec.describe Geo::RepositoriesCleanUpWorker, :geo, :geo_fdw do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/repository_cleanup_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryCleanupWorker, :geo do
+RSpec.describe Geo::RepositoryCleanupWorker, :geo do
   include ::EE::GeoHelpers
   describe '#perform' do

ee/spec/workers/geo/repository_shard_sync_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryShardSyncWorker, :geo, :geo_fdw, :clean_gitlab_redis_cache, :use_sql_query_cache_for_tracking_db do
+RSpec.describe Geo::RepositoryShardSyncWorker, :geo, :geo_fdw, :clean_gitlab_redis_cache, :use_sql_query_cache_for_tracking_db do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/repository_sync_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositorySyncWorker, :geo, :clean_gitlab_redis_cache do
+RSpec.describe Geo::RepositorySyncWorker, :geo, :clean_gitlab_redis_cache do
   include ::EE::GeoHelpers
   let!(:primary) { create(:geo_node, :primary) }

ee/spec/workers/geo/repository_verification/primary/batch_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryVerification::Primary::BatchWorker, :clean_gitlab_redis_cache do
+RSpec.describe Geo::RepositoryVerification::Primary::BatchWorker, :clean_gitlab_redis_cache do
   include ::EE::GeoHelpers
   let_it_be(:healthy_not_verified) { create(:project) }

ee/spec/workers/geo/repository_verification/primary/shard_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryVerification::Primary::ShardWorker, :clean_gitlab_redis_cache do
+RSpec.describe Geo::RepositoryVerification::Primary::ShardWorker, :clean_gitlab_redis_cache do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/repository_verification/primary/single_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryVerification::Primary::SingleWorker, :clean_gitlab_redis_cache do
+RSpec.describe Geo::RepositoryVerification::Primary::SingleWorker, :clean_gitlab_redis_cache do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/repository_verification/secondary/scheduler_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryVerification::Secondary::SchedulerWorker, :clean_gitlab_redis_cache do
+RSpec.describe Geo::RepositoryVerification::Secondary::SchedulerWorker, :clean_gitlab_redis_cache do
   include ::EE::GeoHelpers
   let_it_be(:healthy_not_verified) { create(:project) }

ee/spec/workers/geo/repository_verification/secondary/shard_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryVerification::Secondary::ShardWorker, :geo, :geo_fdw, :request_store, :clean_gitlab_redis_cache, :use_sql_query_cache_for_tracking_db do
+RSpec.describe Geo::RepositoryVerification::Secondary::ShardWorker, :geo, :geo_fdw, :request_store, :clean_gitlab_redis_cache, :use_sql_query_cache_for_tracking_db do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/repository_verification/secondary/single_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::RepositoryVerification::Secondary::SingleWorker, :clean_gitlab_redis_cache do
+RSpec.describe Geo::RepositoryVerification::Secondary::SingleWorker, :clean_gitlab_redis_cache do
   include ::EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/scheduler/per_shard_scheduler_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::Scheduler::PerShardSchedulerWorker do
+RSpec.describe Geo::Scheduler::PerShardSchedulerWorker do
   it 'includes ApplicationWorker' do
     expect(described_class).to include_module(ApplicationWorker)
   end

ee/spec/workers/geo/scheduler/scheduler_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::Scheduler::SchedulerWorker, :geo do
+RSpec.describe Geo::Scheduler::SchedulerWorker, :geo do
   subject { described_class.new }
   it 'includes ::Gitlab::Geo::LogHelpers' do

ee/spec/workers/geo/secondary/registry_consistency_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::Secondary::RegistryConsistencyWorker, :geo, :geo_fdw do
+RSpec.describe Geo::Secondary::RegistryConsistencyWorker, :geo, :geo_fdw do
   include EE::GeoHelpers
   include ExclusiveLeaseHelpers

ee/spec/workers/geo/secondary/repository_backfill_worker_spec.rb

@@ -2,7 +2,7 @@
 require 'spec_helper'
-describe Geo::Secondary::RepositoryBackfillWorker, :geo, :geo_fdw, :clean_gitlab_redis_cache do
+RSpec.describe Geo::Secondary::RepositoryBackfillWorker, :geo, :geo_fdw, :clean_gitlab_redis_cache do
   include EE::GeoHelpers
   let(:primary) { create(:geo_node, :primary) }