Kad unit tests:

- Move KBucketSetTest to new directory
  - Fix testSelf() as new implementation will never include myself
  - Delete KBucketImplTest, not applicable/useful now
  Next todo: port KBSTest from i2p.zzz.kademlia branch

core/java/test/junit/net/i2p/kademlia/KBucketSetTest.java

@@ -0,0 +1,44 @@
+package net.i2p.kademlia;
+/*
+ * free (adj.): unencumbered; not under the control of others
+ * Written by jrandom in 2003 and released into the public domain
+ * with no warranty of any kind, either expressed or implied.
+ * It probably won't make your computer catch on fire, or eat
+ * your children, but it might.  Use at your own risk.
+ *
+ */
+
+import junit.framework.TestCase;
+import net.i2p.I2PAppContext;
+import net.i2p.data.Hash;
+
+/**
+ * Test KBucketSet
+ *
+ * @author comwiz
+ */
+
+public class KBucketSetTest extends TestCase{
+	private I2PAppContext context;
+	private KBucketSet<Hash> set;
+	private static final int K = 8;
+	private static final int B = 1;
+	
+	public void setUp(){
+		context = I2PAppContext.getGlobalContext();
+		set = new KBucketSet<Hash>(context, Hash.FAKE_HASH, K, B);
+	}
+	
+	public void testRandom(){
+		for (int i = 0; i < 1000; i++) {
+            byte val[] = new byte[Hash.HASH_LENGTH];
+            context.random().nextBytes(val);
+            assertTrue(set.add(new Hash(val)));
+        }
+    }
+    
+    public void testSelf() {
+        // new implementation will never include myself
+        assertFalse(set.add(Hash.FAKE_HASH));
+    }
+}