nixos-test: use proper content-type for onboarding

It looks like previous versions did not check Content-Type and I was
able to get away with it. Warp is much more strict in that regard (and
it is good).

1 files changed, 1 insertions, 1 deletions

diff --git a/flake.nix b/flake.nix
index 5d1aed1..05876c6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -251,7 +251,7 @@
 
           with subtest("Onboarding should correctly work..."):
               kittybox.copy_from_host("${./onboarding.json}", "/root/onboarding.json")
-              kittybox.succeed("curl -vvv http://localhost:8080/ -d@/root/onboarding.json")
+              kittybox.succeed("curl -vvv http://localhost:8080/onboarding -d@/root/onboarding.json -H 'Content-Type: application/json'")
               # Testing for a known string is the easiest way to determine that the onboarding worked
               kittybox.succeed("curl --silent http://localhost:8080/ | grep 'vestige of the past long gone'")
         '';