control.andReturn(actionConfig);
mockInvocation.getInvocationContext();
control.andReturn(context);
mockInvocation.getStack();
control.andReturn(stack);
control.anyTimes();
control.replay();
result.setActionMapper(container.getInstance(ActionMapper.class));
result.execute(mockInvocation);
assertEquals("/myNamespace/myAction.action?param1=value+1¶m2=value+2¶m3=value+3", res.getRedirectedUrl());