yang choice case translator + whitebox fix

Change-Id: I96f1855bc71a002335946150b51e911ae6ac2fb2
diff --git a/src/test/java/org/onosproject/yangutils/parser/impl/CustomExceptionMatcher.java b/src/test/java/org/onosproject/yangutils/parser/impl/CustomExceptionMatcher.java
index e8cfa92..44d0c67 100644
--- a/src/test/java/org/onosproject/yangutils/parser/impl/CustomExceptionMatcher.java
+++ b/src/test/java/org/onosproject/yangutils/parser/impl/CustomExceptionMatcher.java
@@ -27,22 +27,22 @@
  */
 public final class CustomExceptionMatcher extends TypeSafeMatcher<ParserException> {
 
+    private int actualLine;
+    private final int expectedLine;
+    private int actualCharPosition;
+    private final int expectedCharPosition;
+
     /**
      * Customized exception matcher to match error location.
      *
      * @param line error line
      * @param charPosition error character position
-     * @return
+     * @return customized exception matcher to match error location
      */
     public static CustomExceptionMatcher errorLocation(int line, int charPosition) {
         return new CustomExceptionMatcher(line, charPosition);
     }
 
-    private int actualLine;
-    private final int expectedLine;
-    private int actualCharPosition;
-    private final int expectedCharPosition;
-
     private CustomExceptionMatcher(int expectedLine, int expectedCharPosition) {
         this.expectedLine = expectedLine;
         this.expectedCharPosition = expectedCharPosition;
diff --git a/src/test/java/org/onosproject/yangutils/parser/impl/listeners/AugmentListenerTest.java b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/AugmentListenerTest.java
index 79c8488..bb59e65 100644
--- a/src/test/java/org/onosproject/yangutils/parser/impl/listeners/AugmentListenerTest.java
+++ b/src/test/java/org/onosproject/yangutils/parser/impl/listeners/AugmentListenerTest.java
@@ -54,9 +54,6 @@
         assertThat(yangNode.getName(), is("Test"));
 
         YangAugment yangAugment = (YangAugment) yangNode.getChild();
-        if (yangAugment.getTargetNode().isEmpty()) {
-            System.out.println("list is empty");
-        }
         ListIterator<YangNodeIdentifier> nodeIdentifierIterator = yangAugment.getTargetNode().listIterator();
         YangNodeIdentifier yangNodeIdentifier = nodeIdentifierIterator.next();
         assertThat(yangNodeIdentifier.getPrefix(), is("if"));