minor changes to some tests

core/java/test/net/i2p/stat/RateTest.java

 package net.i2p.stat;
 
+import java.io.ByteArrayInputStream;
 import java.util.Properties;
 
 import junit.framework.TestCase;
@@ -19,7 +20,7 @@ public class RateTest extends TestCase {
         byte data[] = buf.toString().getBytes();
 
         Properties props = new Properties();
-        props.load(new java.io.ByteArrayInputStream(data));
+        props.load(new ByteArrayInputStream(data));
 
         Rate r = new Rate(props, "rate.test", true);
 

core/java/test/net/i2p/stat/SizeTest.java → core/java/test/net/i2p/stat/SizeMeasure.java

 package net.i2p.stat;
 
-public class SizeTest {
+public class SizeMeasure {
     public static void main(String args[]) {
         testRateSize(100); //117KB
         testRateSize(100000); // 4.5MB