The Rebbe sharply rebukes the act of traveling on a Jewish-operated boat on Shabbat, calling it a grave public desecration. Referring to it as a mere “test” is deeply troubling. He stresses the many halachic violations involved and urges sincere teshuvah and proper guidance.
https://www.torahrecordings.com/rebbe/igroskodesh/015/010/5534