fix: MockHttpServletResponse incompatible with HttpServletResponse

Author: cortlepp

modules/transport/http/src/test/java/org/apache/axis2/transport/http/mock/MockHttpServletResponse.java

@@ -172,16 +172,6 @@ public String encodeRedirectURL(String url) {
         return null;
     }
 
-    @Override
-    public String encodeUrl(String url) {
-        return null;
-    }
-
-    @Override
-    public String encodeRedirectUrl(String url) {
-        return null;
-    }
-
     @Override
     public void sendError(int sc, String msg) throws IOException {
     }
@@ -194,6 +184,10 @@ public void sendError(int sc) throws IOException {
     public void sendRedirect(String location) throws IOException {
     }
 
+    @Override
+    public void sendRedirect(String location, int sc, boolean clearBuffer) throws IOException {
+    }
+
     @Override
     public void setHeader(String name, String value) {
 	System.out.println("MockHttpServletResponse.setHeader() , name: " +name+ " , value: " + value);
@@ -211,10 +205,6 @@ public void addHeader(String name, String value) {
     public void setStatus(int sc) {
     }
 
-    @Override
-    public void setStatus(int sc, String sm) {
-    }
-
     @Override
     public String getContentType() {
         throw new UnsupportedOperationException();