Add files for xref tests input

Author: yulian-gaponenko

kernel/src/test/java/com/itextpdf/kernel/pdf/FreeReferencesTest.java

@@ -0,0 +1,20 @@
+package com.itextpdf.kernel.pdf;
+
+import com.itextpdf.test.ExtendedITextTest;
+import com.itextpdf.test.annotations.type.IntegrationTest;
+import java.io.IOException;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+@Category(IntegrationTest.class)
+public class FreeReferencesTest extends ExtendedITextTest {
+    public static final String destinationFolder = "./target/test/com/itextpdf/kernel/pdf/FreeReferencesTest/";
+    public static final String sourceFolder = "./src/test/resources/com/itextpdf/kernel/pdf/FreeReferencesTest/";
+
+    @BeforeClass
+    public static void beforeClass() {
+        createOrClearDestinationFolder(destinationFolder);
+    }
+
+}