Materialize Nix expressions

Author: ttuegel

nix/kore.nix.d/kore.nix

@@ -987,6 +987,7 @@
             "Test/Kore/IndexedModule/SortGraph"
             "Test/Kore/Internal/ApplicationSorts"
             "Test/Kore/Internal/Condition"
+            "Test/Kore/Internal/Key"
             "Test/Kore/Internal/MultiAnd"
             "Test/Kore/Internal/OrCondition"
             "Test/Kore/Internal/OrPattern"