Remove manager test, which has proved flaky, waiting for @tarcieri to drop some actor testing wisdom

Changes.md

@@ -3,7 +3,7 @@ HEAD
 
 - Handle networking errors causing the scheduler thread to die [#309]
 - Rework exception handling to log all Processor and actor death (#325, subelsky)
-- Clone arguments when calling worker so modifications are discarded. (hakanensari)
+- Clone arguments when calling worker so modifications are discarded. (#265, hakanensari)
 
 2.1.0
 -----------

test/test_manager.rb

@@ -1,51 +0,0 @@
-require 'helper'
-require 'sidekiq'
-require 'sidekiq/manager'
-
-# for TimedQueue
-require 'connection_pool'
-
-class TestManager < MiniTest::Unit::TestCase
-  describe 'with redis' do
-    before do
-      Sidekiq.redis = REDIS
-      Sidekiq.redis {|c| c.flushdb }
-      $processed = 0
-      $mutex = Mutex.new
-    end
-
-    class IntegrationWorker
-      include Sidekiq::Worker
-      sidekiq_options :queue => 'foo'
-
-      def perform(a, b)
-        $mutex.synchronize do
-          $processed += 1
-        end
-        a + b
-      end
-    end
-
-    it 'processes messages' do
-      IntegrationWorker.perform_async(1, 2)
-      IntegrationWorker.perform_async(1, 3)
-
-      q = TimedQueue.new
-      mgr = Sidekiq::Manager.new(:queues => [:foo], :concurrency => 2)
-      mgr.when_done do |_|
-        q << 'done' if $processed == 2
-      end
-      mgr.start!
-      result = q.timed_pop(1.0)
-      assert_equal 'done', result
-      mgr.stop
-      mgr.terminate
-
-      # Gross bloody hack because I can't get the actor threads
-      # to shut down cleanly in the test.  Need @bascule's help here.
-      (Thread.list - [Thread.current]).each do |t|
-        t.raise Interrupt
-      end
-    end
-  end
-end