The value of testing comes from not when its created, but months/years down the line where a new feature/bugfix changes something completely unrelated to the initial feature.
Sometimes almost or even completely useless tests are written. Its a cost I can live with.
I'm in the same position as you. A few weeks ago I started a small project so that I could properly learn angularjs and the js quirks. Been fun so far.
Sometimes almost or even completely useless tests are written. Its a cost I can live with.