test_r3_null_ticket_2992_more_nulls stderr

+ set -e
+ set -x
+ g.region -3 n=220180 s=219900 w=638360 e=638720 t=153 b=106 res=2 res3=2
+ r3.mapcalc expr=test_1 = float(col() + row() + depth())
+ r3.null map=test_1 setnull=3
+ r3.univar map=test_1 -g
+ grep null_cells
+ eval null_cells=1
+ null_cells=1
+ reference=1
+ 1 != 1
raster3d/r3.null/testsuite/test_r3_null_ticket_2992_more_nulls.sh: 26: raster3d/r3.null/testsuite/test_r3_null_ticket_2992_more_nulls.sh: 1: not found
+ g.remove -f type=rast3 name=test_1
Removing 3D raster <test_1>