use logger

Author: Praful Makani

samples/snippets/src/test/java/com/example/bigquerydatatransfer/DeleteScheduledQueryIT.java

@@ -34,13 +34,17 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
 public class DeleteScheduledQueryIT {
 
+  private static final Logger LOGGER = Logger.getLogger(DeleteScheduledQueryIT.class.getName());
+
   private BigQuery bigquery;
   private ByteArrayOutputStream bout;
   private String name;
@@ -117,7 +121,7 @@ public void tearDown() {
     // restores print statements in the original method
     System.out.flush();
     System.setOut(originalPrintStream);
-    System.out.println(bout.toString());
+    LOGGER.log(Level.INFO, bout.toString());
   }
 
   @Test