Set a fixed timestamp (ms since epoch) used by getTimestamp for tests.
getTimestamp
Pass a millisecond timestamp (for example created with Date.UTC) to force time-based helpers to return deterministic values during tests.
timestamp in milliseconds (defaults to 2000-01-01T00:00:00.000Z)
Set a fixed timestamp (ms since epoch) used by
getTimestampfor tests.Pass a millisecond timestamp (for example created with Date.UTC) to force time-based helpers to return deterministic values during tests.