code: func (ec2i *FakeEC2Impl) CreateRouteTable(request *ec2.RouteTable) (*ec2.CreateRouteTableOutput, error) {
  	ec2i.RouteTables = append(ec2i.RouteTables, request)
  	response := &ec2.CreateRouteTableOutput{
  		RouteTable: request,
  	}
  	return response, nil
  }
docs: // CreateRouteTable creates fake route tables