diff --git a/tests/functional/nix-profile.sh b/tests/functional/nix-profile.sh
index 7cf5fcb74..edfc71e50 100755
--- a/tests/functional/nix-profile.sh
+++ b/tests/functional/nix-profile.sh
@@ -54,6 +54,7 @@ nix-env -f ./user-envs.nix -i foo-1.0
 nix profile list | grep -A2 'Name:.*foo' | grep 'Store paths:.*foo-1.0'
 nix profile install $flake1Dir -L
 nix profile list | grep -A4 'Name:.*flake1' | grep 'Locked flake URL:.*narHash'
+grep '"priority":10' $TEST_HOME/.nix-profile/manifest.json
 [[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello World" ]]
 [ -e $TEST_HOME/.nix-profile/share/man ]
 (! [ -e $TEST_HOME/.nix-profile/include ])
diff --git a/tests/functional/user-envs.nix b/tests/functional/user-envs.nix
index cc63812c4..78aa03857 100644
--- a/tests/functional/user-envs.nix
+++ b/tests/functional/user-envs.nix
@@ -31,6 +31,7 @@ let
       // {
         meta = {
           description = "A silly test package with some \${escaped anti-quotation} in it";
+          priority = 10;
           inherit platforms;
         };
       }