x/telemetry/internal/counter: TestWeekendsNewUser and TestWeekendsOldUser persistently failing on wasip1/wasm

[bcmills]

https://build.golang.org/log/07c57c3bda47aefe530c5cb2c959d98cf583f203:

--- FAIL: TestWeekendsNewUser (0.05s)
    counter_test.go:302: delta 0, expected 7<delta<=14
    counter_test.go:302: weekends Sunday unexpecteledy not end day Monday
…
--- FAIL: TestWeekendsOldUser (0.08s)
    counter_test.go:306: delta 0, expected 0<delta<=7
    counter_test.go:306: weekends Sunday unexpecteledy not end day Monday
…
FAIL
FAIL	golang.org/x/telemetry/internal/counter	8.878s

There is also a typo in the error message (“unexpecteledy”).

(attn @pjweinbgo @hyangah @golang/wasm)

[bcmills]

This test seems to have been failing on this platform ever since it was added in https://go.dev/cl/520455.

[gopherbot]

Change https://go.dev/cl/529335 mentions this issue: internal/counter: don't test on unsupported platforms