Tweak test to shorten output file

Expect sometimes has trouble parsing the output file of this test.
The test has been modified to decrease the output file size, which
seems work better. Note: No change in what is being tested.

testsuite/expect/test1.31

@@ -39,6 +39,7 @@ set env_flag_debug   0
 set env_name_debug   "SLURM_DEBUG"
 set env_valu_debug   1
 set env_name_nnodes  "SLURM_NNODES"
+set file_in          "test$test_id.input"
 
 print_header $test_id
 
@@ -84,10 +85,12 @@ set env($env_name_stdout)  $env_valu_stdout
 set env($env_name_overcom) $env_valu_overcom
 exec $bin_rm -f $env_valu_stdout
 
+make_bash_script $file_in "env | $bin_grep MP_; env | $bin_grep SLURM_"
+
 #
 # Spawn a job via srun using these environment variables
 #
-set srun_pid [spawn $srun -t1 $bin_env]
+set srun_pid [spawn $srun -t1 $file_in]
 expect {
 	-re "jobid ($number)" {
 		set job_id $expect_out(1,string)
@@ -184,7 +187,7 @@ if {$max_node_val > $max_nodes} {
 # Post processing
 #
 if {$exit_code == 0} {
-	exec $bin_rm -f $env_valu_stdout
+	exec $bin_rm -f $env_valu_stdout $file_in
 	send_user "\nSUCCESS\n"
 }
 exit $exit_code