Reduce tests verbosity

.travis.yml

@@ -1,3 +1,5 @@
+sudo: required
+dist: trusty
 language: java
 before_install:
   - sudo apt-get -qq update

docs-core/src/test/java/com/sismics/docs/core/util/TestFileUtil.java

@@ -98,9 +98,8 @@ public class TestFileUtil {
             file4.setId("document_odt");
             file4.setMimeType(MimeType.OPEN_DOCUMENT_TEXT);
 
-            try (InputStream pdfInputStream = PdfUtil.convertToPdf(documentDto, Lists.newArrayList(file0, file1, file2, file3, file4), true, true, 10)) {
-                ByteStreams.copy(pdfInputStream, System.out);
-            }
+            InputStream is = PdfUtil.convertToPdf(documentDto, Lists.newArrayList(file0, file1, file2, file3, file4), true, true, 10);
+            is.close();
         }
     }
 }