diff --git a/outputs/aarch64-linux/tests/kernel/expected.nix b/outputs/aarch64-linux/tests/kernel/expected.nix
new file mode 100644
index 00000000..2ebb9486
--- /dev/null
+++ b/outputs/aarch64-linux/tests/kernel/expected.nix
@@ -0,0 +1,8 @@
+{
+  lib,
+  outputs,
+}: let
+  hostsNames = builtins.attrNames outputs.nixosConfigurations;
+  expected = lib.genAttrs hostsNames (_: "aarch64-linux");
+in
+  expected
diff --git a/outputs/aarch64-linux/tests/kernel/expr.nix b/outputs/aarch64-linux/tests/kernel/expr.nix
new file mode 100644
index 00000000..478781b0
--- /dev/null
+++ b/outputs/aarch64-linux/tests/kernel/expr.nix
@@ -0,0 +1,9 @@
+{
+  lib,
+  outputs,
+}:
+lib.genAttrs
+(builtins.attrNames outputs.nixosConfigurations)
+(
+  name: outputs.nixosConfigurations.${name}.config.boot.kernelPackages.kernel.system
+)
diff --git a/outputs/x86_64-linux/tests/kernel/expected.nix b/outputs/x86_64-linux/tests/kernel/expected.nix
new file mode 100644
index 00000000..2a67c06d
--- /dev/null
+++ b/outputs/x86_64-linux/tests/kernel/expected.nix
@@ -0,0 +1,8 @@
+{
+  lib,
+  outputs,
+}: let
+  hostsNames = builtins.attrNames outputs.nixosConfigurations;
+  expected = lib.genAttrs hostsNames (_: "x86-64-linux");
+in
+  expected
diff --git a/outputs/x86_64-linux/tests/kernel/expr.nix b/outputs/x86_64-linux/tests/kernel/expr.nix
new file mode 100644
index 00000000..478781b0
--- /dev/null
+++ b/outputs/x86_64-linux/tests/kernel/expr.nix
@@ -0,0 +1,9 @@
+{
+  lib,
+  outputs,
+}:
+lib.genAttrs
+(builtins.attrNames outputs.nixosConfigurations)
+(
+  name: outputs.nixosConfigurations.${name}.config.boot.kernelPackages.kernel.system
+)