add methods after synchronization of 2.2 branch with the latest spec

test22/src/main/java/org/apache/myfaces/test/mock/MockFlowHandler.java

diff --git a/test22/src/main/java/org/apache/myfaces/test/mock/MockFlowHandler.java b/test22/src/main/java/org/apache/myfaces/test/mock/MockFlowHandler.java
index 3c542c6..d6cf8fd 100644
--- a/test22/src/main/java/org/apache/myfaces/test/mock/MockFlowHandler.java
+++ b/test22/src/main/java/org/apache/myfaces/test/mock/MockFlowHandler.java
@@ -54,13 +54,33 @@
     }
 
     @Override
-    public void transition(FacesContext context, Flow sourceFlow, Flow targetFlow, FlowCallNode outboundCallNode)
-    {
-    }
-
-    @Override
     public boolean isActive(FacesContext context, String definingDocument, String id)
     {
         return false;
     }
+
+    @Override
+    public void transition(FacesContext context, Flow sourceFlow, Flow targetFlow, FlowCallNode outboundCallNode, String toViewId) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void clientWindowTransition(FacesContext context) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public String getLastDisplayedViewId(FacesContext context) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void pushReturnMode(FacesContext context) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    @Override
+    public void popReturnMode(FacesContext context) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
 }