diff --git a/core/src/test/java/org/bitcoinj/core/VarIntTest.java b/core/src/test/java/org/bitcoinj/core/VarIntTest.java
index 5b59e551..b48b67c2 100644
--- a/core/src/test/java/org/bitcoinj/core/VarIntTest.java
+++ b/core/src/test/java/org/bitcoinj/core/VarIntTest.java
@@ -18,7 +18,11 @@ package org.bitcoinj.core;
 
 import junit.framework.TestCase;
 
+import org.junit.Test;
+
 public class VarIntTest extends TestCase {
+
+    @Test
     public void testBytes() throws Exception {
         VarInt a = new VarInt(10); // with widening conversion
         assertEquals(1, a.getSizeInBytes());
@@ -26,6 +30,7 @@ public class VarIntTest extends TestCase {
         assertEquals(10, new VarInt(a.encode(), 0).value);
     }
 
+    @Test
     public void testShorts() throws Exception {
         VarInt a = new VarInt(64000); // with widening conversion
         assertEquals(3, a.getSizeInBytes());
@@ -33,6 +38,7 @@ public class VarIntTest extends TestCase {
         assertEquals(64000, new VarInt(a.encode(), 0).value);
     }
 
+    @Test
     public void testShortFFFF() throws Exception {
         VarInt a = new VarInt(0xFFFFL);
         assertEquals(3, a.getSizeInBytes());
@@ -40,6 +46,7 @@ public class VarIntTest extends TestCase {
         assertEquals(0xFFFFL, new VarInt(a.encode(), 0).value);
     }
 
+    @Test
     public void testInts() throws Exception {
         VarInt a = new VarInt(0xAABBCCDDL);
         assertEquals(5, a.getSizeInBytes());
@@ -48,6 +55,7 @@ public class VarIntTest extends TestCase {
         assertEquals(0xAABBCCDDL, 0xFFFFFFFFL & new VarInt(bytes, 0).value);
     }
 
+    @Test
     public void testIntFFFFFFFF() throws Exception {
         VarInt a = new VarInt(0xFFFFFFFFL);
         assertEquals(5, a.getSizeInBytes());
@@ -56,6 +64,7 @@ public class VarIntTest extends TestCase {
         assertEquals(0xFFFFFFFFL, 0xFFFFFFFFL & new VarInt(bytes, 0).value);
     }
 
+    @Test
     public void testLong() throws Exception {
         VarInt a = new VarInt(0xCAFEBABEDEADBEEFL);
         assertEquals(9, a.getSizeInBytes());
@@ -64,6 +73,7 @@ public class VarIntTest extends TestCase {
         assertEquals(0xCAFEBABEDEADBEEFL, new VarInt(bytes, 0).value);
     }
 
+    @Test
     public void testSizeOfNegativeInt() throws Exception {
         // shouldn't normally be passed, but at least stay consistent (bug regression test)
         assertEquals(VarInt.sizeOf(-1), new VarInt(-1).encode().length);