misc: fix ps etime tests

The test assumes only one process appears which, depending on the
speed of things, may not be true. It now matches one to many process
lines.

testsuite/ps.test/ps_output.exp

@@ -25,7 +25,7 @@ set flag_match {
     "%cpu,pcpu,%mem,pmem"   "%CPU\\s+%CPU\\s+%MEM\\s+%MEM\\s+\(\\d+\.\\d+\\s*\){4}$"
     "blocked,sig_block,sigmask,caught,sigcatch,sig_catch" "\(BLOCKED\\s+\){3}\(CAUGHT\\s+\){2}CATCHED\\s+\(<?\[0-9a-f\]+\\s*\){6}$"
     "bsdstart,start,lstart" "\\s*START\\s+STARTED\\s+STARTED\\s+\(\\s*\(\[A-Z\]\[a-z\]{2} \\d+|\\d+:\\d{2}\)\\s+\(\[A-Z\]\[a-z\]{2} \\d+|\\d+:\\d{2}:\\d{2}\)\\s+\[A-Z\]\[a-z\]{2} \[A-Z\]\[a-z\]{2}\\s+\\d+ \\d{2}:\\d{2}:\\d{2} \\d{4}\\s*\)+$"
-    "bsdtime,cputime,etime,etimes" "\\s*TIME\\s+TIME\\s+ELAPSED\\s+ELAPSED\\s*\(\\s*\\d+:\\d{2}\\s+\\d{2}:\\d{2}:\\d{2}\\s+\(\\d{2}:\)?\\d{2}:\\d{2}\\s+\\d+\\s*\)$"
+    "bsdtime,cputime,etime,etimes" "\\s*TIME\\s+TIME\\s+ELAPSED\\s+ELAPSED\\s*\(\\s*\\d+:\\d{2}\\s+\\d{2}:\\d{2}:\\d{2}\\s+\(\\d{2}:\)?\\d{2}:\\d{2}\\s+\\d+\\s*\)+$"
     "user,ruser,group,rgroup,uid,ruid,gid,rgid" "\\s*USER\\s+RUSER\\s+GROUP\\s+RGROUP\\s+UID\\s+RUID\\s+GID\\s+RGID\\s+\(\(\\s*\[A-Za-z0-9_+-\]+\\s+\){4}\(\\d+\\s+\){4}\\s*\)+$"
     "cputimes,times" "\\s*TIME\\s+TIME\\s+\\d+\\s+\\d+\\s*"
 }