move ci mode and concurrency test to contexts folder

spec/spec_helper.rb

@@ -8,16 +8,19 @@
 
 require_relative "../lib/datadog/ci"
 
+# rspec helpers and matchers
 require_relative "support/gems_helpers"
 require_relative "support/log_helpers"
 require_relative "support/tracer_helpers"
 require_relative "support/span_helpers"
 require_relative "support/platform_helpers"
 require_relative "support/git_helpers"
 require_relative "support/provider_test_helpers"
-require_relative "support/ci_mode_helpers"
 require_relative "support/test_visibility_event_serialized"
-require_relative "support/concurrency_helpers"
+
+# shared contexts
+require_relative "support/contexts/ci_mode"
+require_relative "support/contexts/concurrency_test"
 
 require "rspec/collection_matchers"
 require "climate_control"

spec/support/ci_mode_helpers.rb → spec/support/contexts/ci_mode.rb

@@ -1,3 +1,11 @@
+# CI mode shared context sets up the CI recorder and configures the CI mode for tracer like customers do.
+# Example usage:
+#
+# include_context "CI mode activated" do
+#   let(:integration_name) { :cucumber }
+#   let(:integration_options) { {service_name: "jalapenos"} }
+# end
+
 RSpec.shared_context "CI mode activated" do
   let(:test_command) { "command" }
   let(:integration_name) { :no_instrument }

spec/support/concurrency_helpers.rb → spec/support/contexts/concurrency_test.rb

@@ -1,3 +1,8 @@
+# Concurreny test shared context sets up the concurrency test environment.
+#
+# It provides some convenience methods to run code concurrently in tests, such as:
+# - repeat: run a block of code multiple times
+# - run_concurrently: run a block of code concurrently in multiple threads
 RSpec.shared_context "Concurrency test" do
   let(:threads_count) { 10 }
   let(:repeat_count) { 20 }