Fix work with environment variables at xvfb-run

This fix makes it possible to use the environment variable with whitespaces, e.g. `-e SE_OPTS='-browserTimeout 86400 -timeout 86400'`
like here Accenture/adop-docker-compose#193

Author: metajiji

NodeChromeDebug/entry_point.sh

@@ -36,9 +36,9 @@ SERVERNUM=$(get_server_num)
 rm -f /tmp/.X*lock
 
 env | cut -f 1 -d "=" | sort > asroot
-  sudo -E -u seluser -i env | cut -f 1 -d "=" | sort > asseluser
-  sudo -E -i -u seluser \
-  $(for E in $(grep -vxFf asseluser asroot); do echo $E=$(eval echo \$$E); done) \
+sudo -E -u seluser -i env | cut -f 1 -d "=" | sort > asseluser
+sudo -E -i -u seluser \
+  "$(for E in $(grep -vxFf asseluser asroot); do echo $E=$(eval echo \$$E); done)" \
   DISPLAY=$DISPLAY \
   xvfb-run -n $SERVERNUM --server-args="-screen 0 $GEOMETRY -ac +extension RANDR" \
   java ${JAVA_OPTS} -jar /opt/selenium/selenium-server-standalone.jar \