add missing cd for commit test

1 job for master in 16 seconds (queued for 11 seconds)
Status Name Job ID Coverage
  Build
failed build #1991

00:00:16

 
Name Stage Failure
failed
build Build
-- Installing: /usr/local/lib/blc_python/notebook.ipynb
-- Installing: /usr/local/lib/blc_python/opencv_client.py
-- Installing: /usr/local/lib/blc_python/opencv_server.py
-- Installing: /usr/local/share/blc/blc-config.cmake
-- Installing: /usr/local/share/blc/blc-config-noconfig.cmake
$ cd ..
/bin/bash: line 118: cd: drone_flyMonitor2: No such file or directory
$ cd drone_flyMonitor2
ERROR: Job failed: exit code 1