Rename initial Jplag test class to make maven automatically execute tests.

jplag/src/test/java/jplag/NormalComparisonTests.java → jplag/src/test/java/jplag/NormalComparisonTest.java

@@ -4,7 +4,7 @@ import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
 
-public class NormalComparisonTests extends TestBase {
+public class NormalComparisonTest extends TestBase {
 
     @Test
     public void testSimpleDuplicate() throws ExitException {