By Michelle Toh, CNN Business Tesla cars are being kept off some roads in China as authorities bar them from sensitive areas, reportedly including a seaside resort town where a top leadership gathering could take place next month. The reports suggest that the automaker continues to face deep mistrust from officials about whether its vehicles could be used for spying, despite repeated personal assurances from CEO Elon Musk . Reuters reported Monday that Tesla cars would be barred from entering Beidaihe, a beach resort near Beijing, for at least two months starting in July, citing an unidentified local traffic police…