Am trying to implement a custom application.when I try to test it thru npm test, it says to add test files and then when I add test files ...its not proceeding further..Can u guide me how to write the test files

12 passing (2s)

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File % Stmts % Branch % Funcs % Lines Uncovered Line #s
All files 96.77 83.33 100 96.55
app.js 96.77 83.33 100 96.55 71
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swapna.bangaru@Swapna fresh % npm test