It was found on system running openmpi using multiple-slurmds we couldn't

run multiple tasks on multiple nodes.  Changing the max nodes setting from
3 to 6 fixes the issue without apparent compromise to the test.

testsuite/expect/test1.88

@@ -109,7 +109,7 @@ make_bash_script $file_in "
 #
 set timeout $max_job_delay
 set no_start 0
-set sbatch_pid [spawn $sbatch -N1-3 -n6 --output=$file_out --error=$file_err -t1 $file_in]
+set sbatch_pid [spawn $sbatch -N1-6 -n6 --output=$file_out --error=$file_err -t1 $file_in]
 expect {
 	-re "Submitted batch job ($number)" {
 		set job_id $expect_out(1,string)