Mason was employed by One Direction in the cellar door. One Direction have dismissed him as they no longer need him given the home delivery is accounting for a lot of their business. After his dismissal by One Direction, he went to work for a rival wine company BTS about 1 km up the road. Masons contract with One Direction stated

within three years after the termination of his engagement and services with the company you will not be in the employment of any firm carrying on or engaged in the same or similar business within 50 km of One Direction cellar door

Describe the relevant legal test and discuss whether the restraint is enforceable?

You must include at least one legal case in your answer.