private RoseTestEnv() throws ServletException {
File file = new File("target/test");
ServletContext servletContext = new MockServletContext(file.getPath(),
new FileSystemResourceLoader());
instructionExecutor = new MockInstructionExecutor();
instructionExecutor.setStoresInstructionInRequest(true);
roseFilter = new RoseFilter();
roseFilter.setInstructionExecutor(instructionExecutor);
roseFilter.init(new MockFilterConfig(servletContext, "roseFilter"));
}