Fix garbage and broken tests

src/Sync/InternalThreadedMutex.php

@@ -42,4 +42,4 @@ class InternalThreadedMutex extends \Threaded
     {
         $this->lock = true;
     }
-}
+}

tests/Sync/ChannelTest.php

@@ -50,21 +50,4 @@ class ChannelTest extends TestCase
 
         Loop\run();
     }
-
-    /**
-     * @group threading
-     */
-    public function testThreadTransfer()
-    {
-        list($a, $b) = Channel::createSocketPair();
-        $b = new Channel(new DuplexStream($b));
-
-        $thread = \Thread::from(function () {
-            $a = new Channel(new DuplexStream($this->a));
-        });
-
-        $thread->a = $a; // <-- Transfer channel $a to the thread
-        $thread->start();
-        $thread->join();
-    }
 }

tests/Sync/ThreadedMutexTest.php

@@ -18,7 +18,7 @@ class ThreadedMutexTest extends TestCase
             $lock = (yield $mutex->acquire());
             $lock->release();
             $this->assertTrue($lock->isReleased());
-        });
+        })->done();
 
         Loop\run();
     }

tests/Threading/LocalObjectTest.php

@@ -2,6 +2,7 @@
 namespace Icicle\Tests\Concurrent\Threading;
 
 use Icicle\Concurrent\Threading\LocalObject;
+use Icicle\Promise\Promise;
 use Icicle\Tests\Concurrent\TestCase;
 
 /**
@@ -84,7 +85,7 @@ class LocalObjectTest extends TestCase
     public function testPromiseInThread()
     {
         $thread = \Thread::from(function () {
-            require __DIR__.'../../vendor/autoload.php';
+            require __DIR__.'/../../vendor/autoload.php';
             $promise = new LocalObject(new Promise());
         });