[TSAN] prevent warnings for confirmation_height.gap_live test (#1936)
[TSAN] prevent warnings for confirmation_height.gap_live test (#1936)


clemahieu/raiblocks,clemahieu/raiblocks,SergiySW/raiblocks,clemahieu/raiblocks,clemahieu/raiblocks,clemahieu/raiblocks,SergiySW/raiblocks,SergiySW/raiblocks,SergiySW/raiblocks,SergiySW/raiblocks,clemahieu/raiblocks