keep JDK logging quite during tests...
diff --git a/slf4j-jdk14/src/test/java/org/slf4j/InvocationTest.java b/slf4j-jdk14/src/test/java/org/slf4j/InvocationTest.java
index 2b4d631..46073e9 100644
--- a/slf4j-jdk14/src/test/java/org/slf4j/InvocationTest.java
+++ b/slf4j-jdk14/src/test/java/org/slf4j/InvocationTest.java
@@ -33,6 +33,8 @@
 

 package org.slf4j;

 

+import java.util.logging.Level;

+

 import junit.framework.TestCase;

 

 

@@ -44,16 +46,22 @@
  */

 public class InvocationTest extends TestCase {

 

+  Level oldLevel;

+  java.util.logging.Logger root = java.util.logging.Logger.getLogger("");

+  

   public InvocationTest (String arg0) {

     super(arg0);

   }

 

   protected void setUp() throws Exception {

     super.setUp();

+    oldLevel = root.getLevel();

+    root.setLevel(Level.OFF);

   }

 

   protected void tearDown() throws Exception {

     super.tearDown();

+    root.setLevel(oldLevel);

   }

   

   public void test1() {