Tests Time Out And I Don't Understand The Test Result : MetricImpConverter

Why is it that when I run the tests on repl.it, the undefined variable does not replace with the number one :

Here is a link to test : https://repl.it/join/ulrrugyd-kennethbit

Here is what the test runner gives me : Time Out Feedback so could it be that my browser needs updating maybe?

A post was merged into an existing topic: Metric Imperial Converter Test fo 10L and kg please help