tests: move fixtures to dedicated dir

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I9d6ce6a264780f215b1b57d947b5264c6a6a6964

tests/fixtures/dynamic_attrs.nix

@@ -0,0 +1,15 @@
+# Test dynamic attribute names
+# Note: Full dynamic attrs require runtime evaluation
+# For now, testing that syntax is recognized
+let
+  key = "mykey";
+in {
+  # Static attribute for comparison
+  static = "value";
+
+  # Dynamic attribute name (basic string interpolation)
+  # "${key}" = "dynamic_value";
+
+  # For now, use workaround with static names
+  mykey = "works";
+}