assertTrue(
        from.getType() + " is expected to be assignable to " + to.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        to.getType() + " is expected to be a supertype of " + from.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        from.getType() + " is expected to be a subtype of " + to.getType(), from.isSubtypeOf(to));
  }

    assertTrue(
        from.getType() + " is expected to be assignable to " + to.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        to.getType() + " is expected to be a supertype of " + from.getType(),
        to.isSupertypeOf(from));
    assertTrue(
        from.getType() + " is expected to be a subtype of " + to.getType(), from.isSubtypeOf(to));
  }

        // Write initial content
        try (OutputStream out = file.openOutputStream(false)) {
            out.write(initialContent.getBytes("UTF-8"));
        }

        // Overwrite with new content
        try (OutputStream out = file.openOutputStream(false)) {
            out.write(newContent.getBytes("UTF-8"));
        }

        // Verify new content
        try (InputStream in = file.getInputStream()) {

        }

        @Override
        public Locale getLocale() {
            return Locale.ROOT;
        }

        @Override
        public SearchRequestType getType() {
            return SearchRequestType.JSON;
        }

        @Override
        public String getSimilarDocHash() {
            return request.getParameter("sdh");
        }

                                groupList.add(Base64.getUrlEncoder().encodeToString(name.getBytes(Constants.CHARSET_UTF_8)));
                            } else if (lowerEntryDn.indexOf(lowerRoleDn) != -1) {
                                roleList.add(Base64.getUrlEncoder().encodeToString(name.getBytes(Constants.CHARSET_UTF_8)));
                            }
                        });

            }
        };
        File file = File.createTempFile("test", ".properties");
        file.deleteOnExit();
        FileUtil.writeBytes(file.getAbsolutePath(), "ldap.security.principal=******@****.***".getBytes("UTF-8"));
        DynamicProperties systemProps = new DynamicProperties(file);
        ComponentUtil.register(systemProps, "systemProperties");
        SystemHelper systemHelper = new SystemHelper();

                    // cache
                    putResultDataBody(dataMap, fessConfig.getIndexFieldCache(), new String(InputStreamUtil.getBytes(is), charSet));
                    putResultDataBody(dataMap, fessConfig.getIndexFieldHasCache(), Constants.TRUE);
                } catch (final Exception e) {