Fixes #32843 - Don't mock sprintf, n__() in js tests
`sprintf` should return an interpolated string, not the originalformatting string. `n__()` should return the correct string forsingular/plural.
Fixes #32843 - Don't mock sprintf, n__() in js tests
`sprintf` should return an interpolated string, not the original
formatting string. `n__()` should return the correct string for
singular/plural.