Test: race condition in checking remote stream.

test/Common/ProtocolTests.cs

@@ -977,8 +977,12 @@ namespace Test.Amqp
                 catch (AmqpException) { }
                 Assert.IsTrue(transport != null, "transport is null");
                 try
+                {
+                    for (int i = 0; i < 5; i++)
                     {
                         transport.WriteByte(1);
+                        Thread.Sleep(100);
+                    }
                     Assert.IsTrue(false, "transport not disposed 1.");
                 }
                 catch (ObjectDisposedException) { }
@@ -996,8 +1000,12 @@ namespace Test.Amqp
                 catch (AmqpException) { }
                 Assert.IsTrue(transport != null, "transport is null 2");
                 try
+                {
+                    for (int i = 0; i < 5; i++)
                     {
                         transport.WriteByte(2);
+                        Thread.Sleep(100);
+                    }
                     Assert.IsTrue(false, "transport not disposed 2.");
                 }
                 catch (ObjectDisposedException) { }