TT#17853 TT#21767 make new selenium library visible to jenkins

adapt PERL5LIB in a way, so that jenkins is also able to find it
(it uses /home/selenium/jenkins_docker_run)

Change-Id: I2d5ab35c77abd2dda9f676768da8cd6a36c4ddfb

t/selenium/testrunner

@@ -23,6 +23,9 @@ fi
 SERVER="${1}"
 OUTPUT_DIRECTORY="${2:-/code/}"
 
+# workaround for new Selenium::Remote::Driver (see Dockerfile)
+export PERL5LIB=/home/selenium/Selenium-Remote-Driver/lib/
+
 # vnc
 echo "Setting VNC password"
 printf '%s\n%s\n\n' "${PASSWORD}" "${PASSWORD}" | vncpasswd >/dev/null