MockRequestContext context = new MockRequestContext();
context.putRequestParameter("_eventId", "submit");
context.putRequestParameter("booleanProperty", "bogus");
context.putRequestParameter("_booleanProperty", "whatever");
BindBean bindBean = new BindBean();
StaticExpression modelObject = new StaticExpression(bindBean);
modelObject.setExpressionString("bindBean");
context.getCurrentState().getAttributes().put("model", modelObject);
context.getFlowScope().put("bindBean", bindBean);
context.getMockExternalContext().setNativeContext(new MockServletContext());
context.getMockExternalContext().setNativeRequest(new MockHttpServletRequest());
context.getMockExternalContext().setNativeResponse(new MockHttpServletResponse());