Add incorrect exercise code

        })

    })

    // To add another exercise, simply copy and paste an this.exercise(...) block from above and adjust it.

    this.exercise("Ordner erstellen und navigieren", async function () {

        this.describe(`Erstelle unter dem Pfad "/tmp" einen Ordner mit dem Namen "computational", in dem sich ein weiterer Ordner

        mit dem Namen "linguistics" befindet.`)

        await this.manualConfirmation()

        this.verify('if [ -d /tmp/computational/linguistics/ ]; then echo "yes"; else echo "no"; fi').hasOutput("yes")

    })

    // To add another exercise, simply copy and paste an exercise(...) block from above and adjust it.

    // Order is respected, so you can e.g. order the exercises by increasing difficulty.

})