How to test game session on multiple machines?

Development Platform & Builds
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I need test my game on several machines without full building project.

Can I follow next steps to test game?

  1. Copy project to all machines (using svn/git update)
  2. On first machine run game as server (using Launch game on .uproject file) with dedicated server parameter key.
  3. On other machines run too but as clients, which will be connected to server on [2] step.

And so. Clients will be connected to server if .uasset files will be a little differs? Or not be connected at all and I must build\pack\cook UE4 Server and Client separately and copy this to all machines?

What causes rejection of the client from the server?

Please tell me more info.

Thanks!