Merge pull request #3354 from hazendaz/next

Add comments to unused fields in tests (indirectly required) and remove unused field

Author: hazendaz

src/test/java/org/apache/ibatis/builder/CustomObjectWrapperFactory.java

@@ -21,8 +21,6 @@
 
 public class CustomObjectWrapperFactory implements ObjectWrapperFactory {
 
-  private String option;
-
   @Override
   public boolean hasWrapperFor(Object object) {
     return false;

src/test/java/org/apache/ibatis/domain/misc/RichType.java

@@ -24,6 +24,7 @@ public class RichType {
 
   private RichType richType;
 
+  // Required for test
   private String richField;
 
   private String richProperty;

src/test/java/org/apache/ibatis/reflection/typeparam/Calculator.java

@@ -18,6 +18,7 @@
 public class Calculator<T> {
   protected T id;
 
+  // Required for test
   private T fld;
 
   protected T attribute;