PdfStreamTest: Add test category

DEVSIX-1082

Author: pavel-alay

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

@@ -46,10 +46,14 @@ This file is part of the iText (R) project.
 import com.itextpdf.test.ExtendedITextTest;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+
+import com.itextpdf.test.annotations.type.IntegrationTest;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
+import org.junit.experimental.categories.Category;
 
+@Category(IntegrationTest.class)
 public class PdfStreamTest extends ExtendedITextTest {
 
     public static final String sourceFolder = "./src/test/resources/com/itextpdf/kernel/pdf/PdfStreamTest/";
@@ -60,7 +64,6 @@ public void before() {
         createOrClearDestinationFolder(destinationFolder);
     }
 
-
     @Test
     public void streamAppendDataOnJustCopiedWithCompression() throws IOException, InterruptedException {
         String srcFile = sourceFolder + "pageWithContent.pdf";