Added Category to AffineTransformTest

Author: michaeldemey

kernel/src/test/java/com/itextpdf/kernel/geom/AffineTransformTest.java

@@ -42,9 +42,13 @@ This file is part of the iText (R) project.
  */
 package com.itextpdf.kernel.geom;
 
+import com.itextpdf.test.annotations.type.UnitTest;
+
 import org.junit.Assert;
 import org.junit.Test;
+import org.junit.experimental.categories.Category;
 
+@Category(UnitTest.class)
 public class AffineTransformTest {
 
     @Test