Hello! I have no submit button to confirm the test results. What should I do to pass the test and to get my certificate? Thank you!
This is a typical case.It is better if you make a screenshot of the Error/Problem what your are exactly facing.
Generally for every one there will be a set of options like shown below,
These above options are displayed at the left side bottom of the Page.
Just try to scroll down in the left side of the screen.
Try to refresh the page.
I am using a Windows platform not Ubuntu(Linux), I have clear description of each and everything.
its a bug try adjusting the width or chromium till anyone fixes the bug.