code: func (c *Call) MinTimes(n int) *Call {
  	c.minCalls = n
  	if c.maxCalls == 1 {
  		c.maxCalls = 1e8
  	}
  	return c
  }
docs: // MinTimes requires the call to occur at least n times. If AnyTimes or MaxTimes have not been called, MinTimes also
  // sets the maximum number of calls to infinity.