David McFarland a7a6356c14 tests.dotnet.project-references: use dir instead of file output ...

This fixes an error in nixpkgs-review when it tries to pass this to
buildEnv:

error: The store path [...]project-references-test is a file and can't
be merged into an environment using pkgs.buildEnv! at [...]-builder.pl
line 122.

2024-06-02 16:53:42 -03:00

..

project-references

…

default.nix

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