message: This age test is wrong, NOW() (at least currently) returns the exact current time, rather than the start time of the current transaction
diff: # age without second timestamp compares to NOW()
  statement ok
  -BEGIN TRANSACTION
  -
  -statement ok
  -CREATE TABLE t1 AS SELECT AGE(TIMESTAMP '1957-06-13') t
  -
  -statement ok
  -INSERT INTO t1 SELECT AGE(TIMESTAMP '1957-06-13');
  -
  -query I
  -SELECT COUNT(DISTINCT t) FROM t1
  -----
  -1
  -
  -statement ok
  -ROLLBACK
  +SELECT AGE(TIMESTAMP '1957-06-13') t
  query T
  SELECT AGE(TIMESTAMP '2001-04-10', TIMESTAMP '1957-06-13');
  