improve the error handling in a few tests.

testsuite/expect/test15.14

@@ -80,7 +80,8 @@ expect {
 		set job_id2 $expect_out(1,string)
 		exp_continue
 	}
-	-re "JobState=COMPLETED" {
+#	COMPLETED or COMPLETING
+	-re "JobState=COMPLET" {
 		set match_state 1
 		exp_continue
 	}

testsuite/expect/test3.4

@@ -129,7 +129,9 @@ if {$new_prio != $read_priority} {
 	set exit_code 1
 }
 
-cancel_job $job_id
+if {[cancel_job $job_id] != 0} {
+	set exit_code 1
+}
 if {$exit_code == 0} {
 	send_user "\nSUCCESS\n"
 }

testsuite/expect/test9.8

@@ -226,7 +226,7 @@ if {$completing_jobs != 0} {
 	set completing_jobs 0
 	spawn $squeue --noheader --user $user_name
 	expect {
-		-re "$user_name *CG" {
+		-re "$job_name *$user_name *CG" {
 			incr completing_jobs
 			exp_continue
 		}
@@ -246,7 +246,7 @@ if {$completing_jobs != 0} {
 		exec $bin_sleep $max_wait
 		spawn $squeue --noheader --user $user_name
 		expect {
-			-re "$user_name *CG" {
+			-re "$job_name *$user_name *CG" {
 				incr completing_jobs
 				exp_continue
 			}