Write to different for second job.

The filesystem may have problems removing and creating the same filename
quickly.

testsuite/expect/test6.7

@@ -36,6 +36,7 @@ set test_id      "6.7"
 set exit_code    0
 set file_in      "test$test_id.input"
 set file_out     "test$test_id.output"
+set file_out2    "test$test_id.output2"
 set file_prog    "test$test_id.prog"
 
 print_header $test_id
@@ -45,7 +46,7 @@ print_header $test_id
 # We use our own program to get ulimit values since the output
 # of the ulimit program is inconsistent across systems.
 #
-exec rm -f $file_prog $file_in $file_out
+exec rm -f $file_prog $file_in $file_out2
 exec $bin_cc -o $file_prog $file_prog.c
 make_bash_script $file_in "
  $srun ./$file_prog
@@ -168,7 +169,7 @@ make_bash_script $file_in "
 # Submit a job so we have something to work with
 #
 set job_id 0
-set sbatch_pid [spawn $sbatch --output=$file_out -t1 $file_in]
+set sbatch_pid [spawn $sbatch --output=$file_out2 -t1 $file_in]
 expect {
 	-re "Submitted batch job ($number)" {
 		set job_id $expect_out(1,string)
@@ -233,8 +234,8 @@ if {[wait_for_job $job_id DONE] != 0} {
 #
 # Test output file
 #
-if {[wait_for_file $file_out] == 0} {
-	spawn cat $file_out
+if {[wait_for_file $file_out2] == 0} {
+	spawn cat $file_out2
 	expect {
 		-re "FINI" {
 			send_user "\nFAILURE: Job not stopped\n"
@@ -250,7 +251,7 @@ if {[wait_for_file $file_out] == 0} {
 }
 
 if {$exit_code == 0} {
-	exec rm -f $file_in $file_out $file_prog
+	exec rm -f $file_in $file_out2 $file_prog
 	send_user "\nSUCCESS\n"
 }
 exit $exit_code