Russia’s sanctioned Arctic LNG 2 export plant appears to be testing the current U.S. willingness of sanctions enforcement as a cargo from the facility, which is sanctioned by the United States and Europe, has just docked at a Chinese import terminal. The Arctic Mulan LNG tanker arrived at the Beihai LNG terminal and docked there on Thursday, ship-tracking data compiled by Bloomberg showed. The tanker is believed to carry LNG originating from Arctic LNG 2 and loaded from a floating storage unit in eastern Russia in early June, per the…