ProjectBot project = ProjectBot.createSimpleProject();
ProjectFileBot fileBot = project.newFile("file1.md");
EditorBot editorBot = EditorBot.findByName("file1.md");
String textMd1 = "sample text 1, timestamp: " + System.currentTimeMillis() + ".";
editorBot.typeText(textMd1 + "\r");
editorBot.save();
onlineButton.click(); // set offline
String textMd2 = "sample text 2, timestamp: " + System.currentTimeMillis() + ".";