Fix Unit Test compilation.

Emgu.CV.Test/AutoTestMat.cs

@@ -40,7 +40,7 @@ namespace Emgu.CV.Test
       public void TestMatCreate()
       {
          Mat m = new Mat();
-         var data = m.Data;
+         var data = m.GetData();
          m.Create(10, 12, CvEnum.DepthType.Cv8U, 1);
          m.Create(18, 22, CvEnum.DepthType.Cv64F, 3);
       }

Emgu.CV.Test/AutoTestUMat.cs

@@ -45,7 +45,7 @@ namespace Emgu.CV.Test
             using (UMat m1 = new UMat())
             {
                m1.Create(10, 12, CvEnum.DepthType.Cv8U, 1);
-               EmguAssert.IsTrue(m1.Data == null);
+               EmguAssert.IsTrue(m1.GetData() != null);
             }
             CvInvoke.UseOpenCL = false;
             using(UMat m2 = new UMat())

Emgu.CV.Test/AutoTestVarious.cs

@@ -4155,7 +4155,7 @@ namespace Emgu.CV.Test
         {
             bool success;
             using (Mat m = new Mat())
-                success = Emgu.CV.FileReaderMat.ReadFile("scenetext01.jpg", m, ImreadModes.AnyColor);
+                success = Emgu.CV.NativeMatFileIO.ReadFileToMat("scenetext01.jpg", m, ImreadModes.AnyColor);
         }
 
         [Test]