Minor fix to (passing) test for #307

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/dataformat/xml/lists/ListDeser307Test.java

@@ -10,20 +10,20 @@
 public class ListDeser307Test extends XmlTestBase
 {
     @JacksonXmlRootElement(localName = "customer")
-    public class CustomerWithoutWrapper {
+    static class CustomerWithoutWrapper {
         public Long customerId;
         public String customerName;
 
         @JacksonXmlElementWrapper(useWrapping = false)
         public List<Account> account;
     }
 
-    public class Account {
+    static class Account {
         public Long accountId;
         public String accountName;
         public String postcode;
-    }    
-    
+    }
+
     /*
     /********************************************************
     /* Test methods