Add back removed attributes and mark why the are needed in tests

Author: hazendaz

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

@@ -24,6 +24,9 @@ public class RichType {
 
   private RichType richType;
 
+  // Required for test
+  private String richField;
+
   private String richProperty;
 
   private Map richMap = new HashMap<>();

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

@@ -18,6 +18,9 @@
 public class Calculator<T> {
   protected T id;
 
+  // Required for test
+  private T fld;
+
   protected T attribute;
 
   public T getId() {