Resolve code-reloading issues in usage data specs

What does this MR do?

This should fix a version of this issue, but involving usage ping specs:

ArgumentError:
       A copy of Gitlab::SidekiqMiddleware::DuplicateJobs::Client has been removed from the module tree but is still active!
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:529:in `load_missing_constant'
     # /Users/gary/.gem/ruby/2.6.6/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/active_support.rb:61:in `block in load_missing_constant'
     # /Users/gary/.gem/ruby/2.6.6/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/active_support.rb:17:in `allow_bootsnap_retry'
     # /Users/gary/.gem/ruby/2.6.6/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/active_support.rb:60:in `load_missing_constant'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:214:in `const_missing'
     # ./lib/gitlab/sidekiq_middleware/duplicate_jobs/client.rb:8:in `call'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
     # /Users/gary/.gem/ruby/2.6.6/gems/gitlab-labkit-0.12.1/lib/labkit/middleware/sidekiq/client.rb:21:in `block in call'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/middleware/chain.rb:128:in `block in invoke'
     # /Users/gary/.gem/ruby/2.6.6/gems/gitlab-labkit-0.12.1/lib/labkit/middleware/sidekiq/context/client.rb:15:in `block in call'
     # /Users/gary/.gem/ruby/2.6.6/gems/gitlab-labkit-0.12.1/lib/labkit/context.rb:32:in `with_context'
     # /Users/gary/.gem/ruby/2.6.6/gems/gitlab-labkit-0.12.1/lib/labkit/middleware/sidekiq/context/client.rb:12:in `call'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/middleware/chain.rb:133:in `invoke'
     # /Users/gary/.gem/ruby/2.6.6/gems/gitlab-labkit-0.12.1/lib/labkit/middleware/sidekiq/client.rb:20:in `call'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
     # ./lib/gitlab/sidekiq_middleware/worker_context.rb:9:in `wrap_in_optional_context'
     # ./lib/gitlab/sidekiq_middleware/worker_context/client.rb:18:in `call'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/middleware/chain.rb:133:in `invoke'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/client.rb:212:in `process_single'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/client.rb:71:in `push'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/worker.rb:149:in `client_push'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/worker.rb:108:in `perform_in'
     # ./config/initializers/forbid_sidekiq_in_transactions.rb:36:in `block (2 levels) in <module:NoEnqueueingFromTransactions>'
     # ./app/models/concerns/update_highest_role.rb:29:in `block in update_highest_role'
     # ./lib/after_commit_queue.rb:29:in `instance_eval'
     # ./lib/after_commit_queue.rb:29:in `run_after_commit_or_now'
     # ./app/models/concerns/update_highest_role.rb:24:in `update_highest_role'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/callbacks.rb:428:in `block in make_lambda'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/callbacks.rb:273:in `block in simple'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/callbacks.rb:517:in `block in invoke_after'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/callbacks.rb:517:in `each'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/callbacks.rb:517:in `invoke_after'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/callbacks.rb:136:in `run_callbacks'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/callbacks.rb:825:in `_run_commit_callbacks'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/transactions.rb:339:in `committed!'
     # ./config/initializers/forbid_sidekiq_in_transactions.rb:50:in `block in committed!'
     # ./config/initializers/forbid_sidekiq_in_transactions.rb:8:in `skipping_transaction_check'
     # ./config/initializers/forbid_sidekiq_in_transactions.rb:50:in `committed!'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/connection_adapters/abstract/transaction.rb:127:in `commit_records'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/connection_adapters/abstract/transaction.rb:265:in `block in commit_transaction'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:26:in `block (2 levels) in synchronize'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/connection_adapters/abstract/transaction.rb:255:in `commit_transaction'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/connection_adapters/abstract/transaction.rb:293:in `block in within_new_transaction'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:26:in `block (2 levels) in synchronize'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/connection_adapters/abstract/transaction.rb:278:in `within_new_transaction'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/connection_adapters/abstract/database_statements.rb:280:in `transaction'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/transactions.rb:212:in `transaction'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/transactions.rb:366:in `with_transaction_returning_status'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/transactions.rb:318:in `save!'
     # /Users/gary/.gem/ruby/2.6.6/gems/activerecord-6.0.3.1/lib/active_record/suppressor.rb:48:in `save!'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-activerecord-0.6.0/lib/state_machines/integrations/active_record.rb:515:in `block in save!'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-activerecord-0.6.0/lib/state_machines/integrations/active_record.rb:530:in `block in around_save'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:150:in `block in run_actions'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:170:in `catch_exceptions'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:148:in `run_actions'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:133:in `run_callbacks'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:212:in `run_callbacks'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:63:in `block (2 levels) in perform'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:63:in `catch'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:63:in `block in perform'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:186:in `within_transaction'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-0.5.0/lib/state_machines/transition_collection.rb:62:in `perform'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-activerecord-0.6.0/lib/state_machines/integrations/active_record.rb:530:in `around_save'
     # /Users/gary/.gem/ruby/2.6.6/gems/state_machines-activerecord-0.6.0/lib/state_machines/integrations/active_record.rb:515:in `save!'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/evaluation.rb:18:in `create'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/strategy/create.rb:12:in `block in result'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/strategy/create.rb:9:in `tap'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/strategy/create.rb:9:in `result'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/factory.rb:43:in `run'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/factory_runner.rb:29:in `block in run'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/notifications.rb:182:in `instrument'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/factory_runner.rb:28:in `run'
     # /Users/gary/.gem/ruby/2.6.6/gems/factory_bot-5.1.0/lib/factory_bot/strategy_syntax_method_registrar.rb:20:in `block in define_singular_strategy_method'
     # ./ee/spec/lib/ee/gitlab/usage_data_spec.rb:291:in `block (4 levels) in <main>'
     # ./spec/support/helpers/usage_data_helpers.rb:239:in `block (2 levels) in for_defined_days_back'
     # /Users/gary/.gem/ruby/2.6.6/gems/timecop-0.9.1/lib/timecop/timecop.rb:201:in `travel'
     # /Users/gary/.gem/ruby/2.6.6/gems/timecop-0.9.1/lib/timecop/timecop.rb:129:in `send_travel'
     # /Users/gary/.gem/ruby/2.6.6/gems/timecop-0.9.1/lib/timecop/timecop.rb:62:in `travel'
     # ./spec/support/helpers/usage_data_helpers.rb:238:in `block in for_defined_days_back'
     # ./spec/support/helpers/usage_data_helpers.rb:237:in `each'
     # ./spec/support/helpers/usage_data_helpers.rb:237:in `for_defined_days_back'
     # ./ee/spec/lib/ee/gitlab/usage_data_spec.rb:290:in `block (3 levels) in <main>'
     # ./spec/spec_helper.rb:324:in `block (3 levels) in <main>'
     # /Users/gary/.gem/ruby/2.6.6/gems/sidekiq-5.2.9/lib/sidekiq/testing.rb:55:in `server_middleware'
     # ./spec/support/sidekiq_middleware.rb:9:in `with_sidekiq_server_middleware'
     # ./spec/spec_helper.rb:315:in `block (2 levels) in <main>'
     # ./spec/spec_helper.rb:311:in `block (3 levels) in <main>'
     # /Users/gary/.gem/ruby/2.6.6/gems/gitlab-labkit-0.12.1/lib/labkit/context.rb:32:in `with_context'
     # ./spec/spec_helper.rb:311:in `block (2 levels) in <main>'
     # /Users/gary/.gem/ruby/2.6.6/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:123:in `block in run'
     # /Users/gary/.gem/ruby/2.6.6/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `loop'
     # /Users/gary/.gem/ruby/2.6.6/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `run'
     # /Users/gary/.gem/ruby/2.6.6/gems/rspec-retry-0.6.1/lib/rspec_ext/rspec_ext.rb:12:in `run_with_retry'
     # /Users/gary/.gem/ruby/2.6.6/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:37:in `block (2 levels) in setup'
     # /Users/gary/.gem/ruby/2.6.6/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:55:in `load'
     # /Users/gary/.gem/ruby/2.6.6/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:55:in `load'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:318:in `block in load'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:291:in `load_dependency'
     # /Users/gary/.gem/ruby/2.6.6/gems/activesupport-6.0.3.1/lib/active_support/dependencies.rb:318:in `load'
     # /Users/gary/.gem/ruby/2.6.6/gems/spring-commands-rspec-1.0.4/lib/spring/commands/rspec.rb:18:in `call'
     # /Users/gary/.gem/ruby/2.6.6/gems/nakayoshi_fork-0.0.4/lib/nakayoshi_fork.rb:23:in `fork'
     # /Users/gary/.gem/ruby/2.6.6/gems/nakayoshi_fork-0.0.4/lib/nakayoshi_fork.rb:23:in `fork'
     # -e:1:in `<main>'

Thanks to @engwan for the solution here

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Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

• Label as security and @ mention @gitlab-com/gl-security/appsec
• The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
• Security reports checked/validated by a reviewer from the AppSec team