pkg/mock/mockserver/mockserver.go
func (ms *MockServers) StopAt(idx int) {
	ms.mu.Lock()
	defer ms.mu.Unlock()

	if ms.Servers[idx].ln == nil {
		return
	}

	ms.Servers[idx].GrpcServer.Stop()
	ms.Servers[idx].GrpcServer = nil
	ms.Servers[idx].ln = nil
	ms.wg.Done()
}
func (ms *MockServers) StopAt(idx int) {
	ms.mu.Lock()
	defer ms.mu.Unlock()

	if ms.Servers[idx].ln == nil {
		return
	}

	ms.Servers[idx].GrpcServer.Stop()
	ms.Servers[idx].GrpcServer = nil
	ms.Servers[idx].ln = nil
	ms.wg.Done()
}
// StopAt stops mock server at given index.