Test: more suite-capture debugging.

Change-Id: I94967aeabdf2786868c3f7fce9e95633332d4948
Reviewed-on: https://code.wireshark.org/review/15123
Reviewed-by: Gerald Combs <gerald@wireshark.org>

test/suite-capture.sh

@@ -213,6 +213,7 @@ capture_step_stdin() {
 	fi
 
         set -xv
+	date
 	(cat "${CAPTURE_DIR}dhcp.pcap"; sleep 1; tail -c +25 "${CAPTURE_DIR}dhcp.pcap") | \
 	$DUT -i - $TRAFFIC_CAPTURE_PROMISC \
 		-w ./testout.pcap \
@@ -220,6 +221,7 @@ capture_step_stdin() {
 		$CONSOLE_LOG_ARGS \
 		> ./testout.txt 2> ./testerr.txt
 	RETURNVALUE=$?
+	date
         set +xv
 	if [ ! $RETURNVALUE -eq $EXIT_OK ]; then
 		capture_test_output_print ./testout.txt ./testerr.txt ./dumpcap_debug_log.tmp