Major test overhaul, now uses JUnit 4 annotation style tests.

common/common-io/src/test/java/com/twelvemonkeys/io/SeekableAbstractTestCase.java

@@ -1,6 +1,8 @@
 package com.twelvemonkeys.io;
 
-import junit.framework.TestCase;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
 
 /**
  * SeekableAbstractTestCase
@@ -9,14 +11,16 @@ import junit.framework.TestCase;
  * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
  * @version $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/test/java/com/twelvemonkeys/io/SeekableAbstractTestCase.java#1 $
  */
-public abstract class SeekableAbstractTestCase extends TestCase implements SeekableInterfaceTest {
+public abstract class SeekableAbstractTestCase implements SeekableInterfaceTest {
 
     protected abstract Seekable createSeekable();
 
+    @Test
     public void testFail() {
-        fail();
+        fail("Do not create stand-alone test classes based on this class. Instead, create an inner class and delegate to it.");
     }
 
+    @Test
     public void testSeekable() {
         assertTrue(createSeekable() instanceof Seekable);
     }