Regression tests were hanging since sometimes the file of UNIX domain socket may exist. The existence of UNIX domain socket may be caused by tangle-accelerator didn't be successfully terminated. Sometimes regression tests were cancelled or failed, in these cases tangle-accelerator may not be terminated, and the port has been used by this hanging tangle-accelerator. We may use docker to solve this issue
Regression tests were hanging since sometimes the file of UNIX domain socket may exist. The existence of UNIX domain socket may be caused by tangle-accelerator didn't be successfully terminated. Sometimes regression tests were cancelled or failed, in these cases tangle-accelerator may not be terminated, and the port has been used by this hanging tangle-accelerator. We may use docker to solve this issue