text: import SendData from "../app/resources/SendData"
  import * as MailComposer from 'expo-mail-composer';
  import * as FileSystem from 'expo-file-system';
  
  jest.mock("../node_modules/expo-file-system/src/FileSystem");
  jest.mock("../node_modules/expo-mail-composer/src/MailComposer");
  
  describe("This is test suits for SendData", ()=> {
    it("sendDataEmail() is tested.", async ()=>{
      await SendData.sendDataEmail();
      expect(FileSystem.readDirectoryAsync).toHaveBeenCalled();
      expect(FileSystem.readAsStringAsync).toHaveBeenCalled();
      expect(MailComposer.composeAsync).toHaveBeenCalled();
    })
  });
  