Rename tests.

Tests/MQTTnet.Core.Tests/MqttPacketReader_Tests.cs

@@ -0,0 +1,23 @@
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using MQTTnet.Formatter;
+using MQTTnet.Internal;
+
+namespace MQTTnet.Tests
+{
+    [TestClass]
+    public class MqttPacketReader_Tests
+    {
+        [TestMethod]
+        public async Task MqttPacketReader_EmptyStream()
+        {
+            var fixedHeader = new byte[2];
+            var reader = new MqttPacketReader(new TestMqttChannel(new MemoryStream()));
+            var readResult = await reader.ReadFixedHeaderAsync(fixedHeader, CancellationToken.None);
+
+            Assert.IsTrue(readResult.ConnectionClosed);
+        }
+    }
+}