Function appendFile

nodejs/test/session_fs_adapter.test.ts:22–24

(path, content)

                await memoryProvider.writeFile(sp(path), content);
            },
            async appendFile(path, content) {
                await memoryProvider.appendFile(sp(path), content);
            },
            async exists(path) {
                return memoryProvider.exists(sp(path));
            },