Rename test classes so that they are executed by Maven's Surefire plugin

Author: 3breadt

src/test/java/com/dd/plist/test/GoogleCodeIssueTests.java renamed to src/test/java/com/dd/plist/test/GoogleCodeIssueTest.java

@@ -11,7 +11,7 @@
 /**
  * This class contains tests for issues that were managed with the Google Code issue tracking system
  */
-public class GoogleCodeIssueTests extends TestCase {
+public class GoogleCodeIssueTest extends TestCase {
     public static void testIssue4() throws Exception {
         NSDictionary d = (NSDictionary)PropertyListParser.parse(new File("test-files/issue4.plist"));
         assertTrue(((NSString)d.objectForKey("Device Name")).toString().equals("Kid\u2019s iPhone"));

src/test/java/com/dd/plist/test/IssueTests.java renamed to src/test/java/com/dd/plist/test/IssueTest.java

@@ -13,7 +13,7 @@
 /**
  * Regression tests for various issues and bugs that have been encountered
  */
-public class IssueTests extends TestCase {
+public class IssueTest extends TestCase {
     public static void testGzipInputStream() {
         try {
             File plistFile = new File("test-files/test-gzipinputstream-issue.plist");