Dealing with test race conditions while traces are emitted.

test/async/reactor.rb

@@ -5,6 +5,7 @@
 # Copyright, 2017, by Devin Christensen.
 
 require "async"
+require "async/variable"
 require "sus/fixtures/async"
 require "benchmark/ips"
 
@@ -229,14 +230,14 @@
 			start_time = Time.now
 
 			subject.run do |task|
-				condition = Async::Condition.new
+				variable = Async::Variable.new
 
 				task.with_timeout(duration) do
 					task.async do
-						condition.wait
+						variable.wait
 					end
 
-					condition.signal
+					variable.resolve
 
 					task.yield
 

test/async/task.rb

@@ -50,18 +50,18 @@
 		it "can yield back to scheduler" do
 			state = nil
 
-			reactor.async do |task|
+			reactor.run do |task|
 				child = task.async do
 					state = :yielding
 					Async::Task.yield
 					state = :yielded
 				end
 
+				# Async::Task.
+
 				Fiber.scheduler.resume(child.fiber)
 			end
 
-			reactor.run
-
 			expect(state).to be == :yielded
 		end
 	end