nixos/tests: fix type mismatch in wait_for_open_port

Fix some fallout from de3e423 (PR #171280).

1 files changed, 2 insertions, 2 deletions

diff --git a/nixos/tests/podgrab.nix b/nixos/tests/podgrab.nix
index e927e25fea569..e5a340dc2ac83 100644
--- a/nixos/tests/podgrab.nix
+++ b/nixos/tests/podgrab.nix
@@ -22,11 +22,11 @@ import ./make-test-python.nix ({ pkgs, ... }: {
     start_all()
 
     default.wait_for_unit("podgrab")
-    default.wait_for_open_port("${toString defaultPort}")
+    default.wait_for_open_port(defaultPort)
     default.succeed("curl --fail http://localhost:${toString defaultPort}")
 
     customized.wait_for_unit("podgrab")
-    customized.wait_for_open_port("${toString customPort}")
+    customized.wait_for_open_port(customPort)
     customized.succeed("curl --fail http://localhost:${toString customPort}")
   '';