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tests/emacs-daemon: fix failure for unset $DISPLAY

axelf4 figured[1] out a workaround for fixing a failure due to an unset
$DISPLAY variable.

[1] https://github.com/NixOS/nixpkgs/pull/168076#issuecomment-1098083299

Azat Bahawi 67565c3a 55f57fac

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+1 -1
nixos
tests
emacs-daemon.nix
+1 -1
nixos/tests/emacs-daemon.nix 
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      )


     

       
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      # connects to the daemon


     

       
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      machine.succeed("emacsclient --create-frame $EDITOR >&2 &")


     

       

       
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      machine.succeed("emacsclient --no-wait --frame-parameters='((display . \"'\"$DISPLAY\"'\"))' --create-frame $EDITOR >&2")


     

       
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      # checks that Emacs shows the edited filename


     

       
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      machine.wait_for_text("emacseditor")