By Luc Olinga The premium electric vehicle maker has promised its cars will be self-driving by the end of the year. In January Tesla (TSLA) – Get Tesla Inc. Report Chief Executive Elon Musk promised that the company’s vehicles would be self-driving by the end of the year. “I would be shocked if we do not achieve full-self-driving safer than a human this year. I would be shocked,” Musk said during Tesla’s fourth-quarter-earnings call. He emphasized: “Being safer than a human is a low standard, not a high standard. People are often distracted, tired, texting. … It’s remarkable that we don’t have…