Use test backend for testing.

Author: ioquatix

config/sus.rb

@@ -3,7 +3,7 @@
 # Released under the MIT License.
 # Copyright, 2022-2025, by Samuel Williams.
 
-ENV["TRACES_BACKEND"] ||= "traces/backend/console"
+ENV["TRACES_BACKEND"] ||= "traces/backend/test"
 
 require "covered/sus"
 include Covered::Sus

lib/traces/backend/test.rb

@@ -85,8 +85,7 @@ def trace_context
 
 				# @returns [Boolean] Whether there is an active trace.
 				def active?
-					# For the sake of testing, we always enable tracing.
-					true
+					!!Fiber.current.traces_backend_context
 				end
 			end
 		end