CTest: Revise use of std::chrono
Follow up !1568 (merged) with additional revisions of the changes from !1513 (merged), primarily to avoid converting large double-represented durations to beyond-range integer-represented durations.
Cc: @dublet
Follow up !1568 (merged) with additional revisions of the changes from !1513 (merged), primarily to avoid converting large double-represented durations to beyond-range integer-represented durations.
Cc: @dublet