Extend iTextCore test classes

DEVSIX-3360

Autoported commit.
Original commit hash: [0ed2b5b17]

Author: Kate Ivanova

itext.tests/itext.barcodes.tests/itext/barcodes/BarcodeMultiThreadingTest.cs

@@ -41,12 +41,12 @@ source product.
 address: [email protected]
 */
 using System.Threading;
+using iText.Test;
 using NUnit.Framework;
 
 namespace iText.Barcodes
 {
-    public class BarcodeMultiThreadingTest
-    {
+    public class BarcodeMultiThreadingTest : ExtendedITextTest {
         [Test]
         public void test() {
             Thread[] threads = new Thread[20];

itext.tests/itext.forms.tests/itext/forms/Utf8FormsTest.cs

@@ -51,7 +51,7 @@ source product.
 using iText.Test;
 
 namespace iText.Forms {
-    public class Utf8FormsTest {
+    public class Utf8FormsTest : ExtendedITextTest {
         public static readonly String sourceFolder = iText.Test.TestUtil.GetParentProjectDirectory(NUnit.Framework.TestContext
             .CurrentContext.TestDirectory) + "/resources/itext/forms/Utf8FormsTest/";
 

itext.tests/itext.forms.tests/itext/forms/XfdfReaderTest.cs

@@ -41,9 +41,10 @@ source product.
 address: [email protected]
 */
 using iText.IO.Font;
+using iText.Test;
 
 namespace iText.IO {
-    public class AdobeGlyphListTest {
+    public class AdobeGlyphListTest : ExtendedITextTest {
         [NUnit.Framework.Test]
         public virtual void TestGlyphListCount() {
             NUnit.Framework.Assert.AreEqual(4200, AdobeGlyphList.GetNameToUnicodeLength());

itext.tests/itext.io.tests/itext/io/AdobeGlyphListTest.cs

@@ -41,9 +41,10 @@ source product.
 address: [email protected]
 */
 using iText.IO.Util;
+using iText.Test;
 
 namespace iText.IO {
-    public class UtilitiesTest {
+    public class UtilitiesTest : ExtendedITextTest {
         [NUnit.Framework.Test]
         public virtual void TestShortener() {
             byte[] src = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

itext.tests/itext.io.tests/itext/io/UtilitiesTest.cs

@@ -45,9 +45,10 @@ source product.
 using System.Reflection;
 using iText.IO.Font.Constants;
 using iText.IO.Util;
+using iText.Test;
 
 namespace iText.IO.Font {
-    public class FontProgramTest {
+    public class FontProgramTest : ExtendedITextTest {
         private const String notExistingFont = "some-font.ttf";
 
         [NUnit.Framework.Test]

itext.tests/itext.io.tests/itext/io/font/FontProgramTest.cs

@@ -41,9 +41,10 @@ source product.
 address: [email protected]
 */
 using iText.IO.Util;
+using iText.Test;
 
 namespace iText.IO.Font.Otf {
-    public class ActualTextIteratorTest {
+    public class ActualTextIteratorTest : ExtendedITextTest {
         [NUnit.Framework.Test]
         public virtual void TestActualTestParts() {
             Glyph glyph = new Glyph(200, 200, '\u002d');

itext.tests/itext.io.tests/itext/io/font/otf/ActualTextIteratorTest.cs

@@ -45,9 +45,10 @@ source product.
 using System.IO;
 using iText.IO.Font;
 using iText.IO.Util;
+using iText.Test;
 
 namespace iText.IO.Font.Otf {
-    public class GlyphLineTest {
+    public class GlyphLineTest : ExtendedITextTest {
         private static IList<Glyph> ConstructGlyphListFromString(String text, TrueTypeFont font) {
             IList<Glyph> glyphList = new List<Glyph>();
             char[] chars = text.ToCharArray();

itext.tests/itext.io.tests/itext/io/font/otf/GlyphLineTest.cs

@@ -41,9 +41,10 @@ source product.
 address: [email protected]
 */
 using System;
+using iText.Test;
 
 namespace iText.IO.Image {
-    public class BmpTest {
+    public class BmpTest : ExtendedITextTest {
         public static readonly String sourceFolder = iText.Test.TestUtil.GetParentProjectDirectory(NUnit.Framework.TestContext
             .CurrentContext.TestDirectory) + "/resources/itext/io/image/";
 

itext.tests/itext.io.tests/itext/io/image/BmpTest.cs

@@ -43,9 +43,10 @@ source product.
 using System;
 using System.IO;
 using iText.IO.Util;
+using iText.Test;
 
 namespace iText.IO.Image {
-    public class GifTest {
+    public class GifTest : ExtendedITextTest {
         public static readonly String sourceFolder = iText.Test.TestUtil.GetParentProjectDirectory(NUnit.Framework.TestContext
             .CurrentContext.TestDirectory) + "/resources/itext/io/image/";