diff --git a/subprojects/wrapper-manager-fds/tests/lib/default.nix b/subprojects/wrapper-manager-fds/tests/lib/default.nix
index e775297c..1079b294 100644
--- a/subprojects/wrapper-manager-fds/tests/lib/default.nix
+++ b/subprojects/wrapper-manager-fds/tests/lib/default.nix
@@ -9,4 +9,5 @@ let
 in
 {
   env = callLib ./env;
+  utils = callLib ./utils.nix;
 }
diff --git a/subprojects/wrapper-manager-fds/tests/lib/utils.nix b/subprojects/wrapper-manager-fds/tests/lib/utils.nix
new file mode 100644
index 00000000..8f784940
--- /dev/null
+++ b/subprojects/wrapper-manager-fds/tests/lib/utils.nix
@@ -0,0 +1,25 @@
+{ pkgs, lib, self }:
+
+lib.runTests {
+  testsUtilsGetBin = {
+    expr = self.utils.getBin [
+      ../modules
+      ../../modules
+    ];
+    expected = [
+      (lib.getBin ../modules)
+      (lib.getBin ../../modules)
+    ];
+  };
+
+  testsUtilsGetLibexec = {
+    expr = self.utils.getLibexec [
+      ../modules
+      ../../modules
+    ];
+    expected = [
+      "${../modules}/libexec"
+      "${../../modules}/libexec"
+    ];
+  };
+}