make test: fix broken passing of return value

Change-Id: I2cb83caaf55ca9a29c06d71c6d20f8273ec062b3
Signed-off-by: Klement Sekera <ksekera@cisco.com>

test/scripts/run_in_venv_with_cleanup.sh

@@ -14,7 +14,7 @@ atexit() {
 			kill -9 $id
 		fi
 	done
-	exit $rv
+	exit ${rv}
 }
 
 trap "atexit;" SIGINT SIGTERM
@@ -30,9 +30,10 @@ then
 	$*
 else
 	$* &
-	wait
+	pid=$!
+	wait ${pid}
 fi
 
 rv=$?
 atexit
-exit $rv
+exit ${rv}

test/scripts/setsid_wrapper.sh

@@ -3,10 +3,10 @@
 if [[ "$1" == "1" ]]
 then
 	setsid scripts/run_in_venv_with_cleanup.sh $*
-	pid=$!
 else
 	setsid scripts/run_in_venv_with_cleanup.sh $* &
 	pid=$!
 	trap "echo setsid_wrapper.sh: got signal, killing child pid ${pid}; kill ${pid}; sleep .1;" SIGINT SIGTERM
-	wait
+	wait ${pid}
+	exit $?
 fi