Test robustification

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/databind/struct/TestUnwrapped.java

@@ -23,7 +23,7 @@ static class Unwrapping {
         public Location location;
 
         public Unwrapping() { }
-        public Unwrapping(String str, int x, int y) {
+        protected Unwrapping(String str, int x, int y) {
             name = str;
             location = new Location(x, y);
         }
@@ -46,7 +46,7 @@ static class DeepUnwrapping
         public Unwrapping unwrapped;
 
         public DeepUnwrapping() { }
-        public DeepUnwrapping(String str, int x, int y) {
+        protected DeepUnwrapping(String str, int x, int y) {
             unwrapped = new Unwrapping(str, x, y);
         }
     }