1 files changed, 8 insertions, 0 deletions
diff --git a/tests/functional/lang/eval-fail-dup-dynamic-attrs.err.exp b/tests/functional/lang/eval-fail-dup-dynamic-attrs.err.exp
new file mode 100644
index 000000000..e01f8e6d0
--- /dev/null
+++ b/tests/functional/lang/eval-fail-dup-dynamic-attrs.err.exp
@@ -0,0 +1,8 @@
+error: dynamic attribute 'b' already defined at /pwd/lang/eval-fail-dup-dynamic-attrs.nix:2:11
+
+       at /pwd/lang/eval-fail-dup-dynamic-attrs.nix:3:11:
+
+            2|   set = { "${"" + "b"}" = 1; };
+            3|   set = { "${"b" + ""}" = 2; };
+             |           ^
+            4| }