Update JaxRsTest to include Java version test cases

Uncommented test cases for Java versions in JaxRsTest.

Author: ludoch

e2etests/devappservertests/src/test/java/com/google/appengine/tools/development/JaxRsTest.java

@@ -33,10 +33,10 @@ public static List<Object[]> version() {
       // Only EE8 app.
 return Arrays.asList(
         new Object[][] {
-      //       {"java17", "9.4", "EE6"},
+              {"java17", "9.4", "EE6"},
               {"java17", "12.0", "EE8"},
-      //        {"java21", "12.0", "EE8"},
-     //         {"java25", "12.1", "EE8"},
+              {"java21", "12.0", "EE8"},
+              {"java25", "12.1", "EE8"},
 
         });