Add final modifier to private fields.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/cli/trunk@1797675 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/test/java/org/apache/commons/cli/bug/BugCLI266Test.java b/src/test/java/org/apache/commons/cli/bug/BugCLI266Test.java
index 705b818..eb459e3 100644
--- a/src/test/java/org/apache/commons/cli/bug/BugCLI266Test.java
+++ b/src/test/java/org/apache/commons/cli/bug/BugCLI266Test.java
@@ -33,8 +33,8 @@
 
 public class BugCLI266Test {
 
-    private List<String> insertedOrder  =   Arrays.asList("h", "d", "f", "x", "s", "p", "t", "w", "o");
-    private List<String> sortOrder      =   Arrays.asList("d", "f", "h", "o", "p", "s", "t", "w", "x");
+    private final List<String> insertedOrder  =   Arrays.asList("h", "d", "f", "x", "s", "p", "t", "w", "o");
+    private final List<String> sortOrder      =   Arrays.asList("d", "f", "h", "o", "p", "s", "t", "w", "x");
 
     @Test
     public void testOptionComparatorDefaultOrder() throws ParseException {