import { arrayToString } from './array-to-string' ; describe ( 'arrayToString' , ( ) => { it ( 'should work correctly' , ( ) => { const result = arrayToString ( [ 'string-one' , 'string-two' ] ) ; const expectedResult = '"string-one", "string-two"' ; expect ( result ) . toBe ( expectedResult ) ; } ) ; } ) ;