Fix work with environment variables at xvfb-run now for Firefox

Author: diemol

NodeFirefoxDebug/entry_point.sh

@@ -38,7 +38,7 @@ 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) \
+  "$(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 \