diff --git a/tests/asserts.nix b/tests/asserts.nix
index 6d1b1002..c1fe177e 100644
--- a/tests/asserts.nix
+++ b/tests/asserts.nix
@@ -37,37 +37,45 @@ with lib;
     };
   };
 
-  config = mkIf config.test.asserts.warnings.enable {
-    home.file = {
-      "asserts/warnings.actual".text = concatStringsSep ''
+  config = mkMerge [
+    (mkIf config.test.asserts.warnings.enable {
+      home.file = {
+        "asserts/warnings.actual".text = concatStringsSep ''
 
-        --
-      '' config.warnings;
+          --
+        '' config.warnings;
+      };
 
-      "asserts/assertions.actual".text = concatStringsSep ''
+      nmt.script = ''
+        assertFileContent \
+          home-files/asserts/warnings.actual \
+          ${
+            pkgs.writeText "warnings.expected" (concatStringsSep ''
 
-        --
-      '' (map (x: x.message) (filter (x: !x.assertion) config.assertions));
-    };
+              --
+            '' config.test.asserts.warnings.expected)
+          }
+      '';
+    })
 
-    nmt.script = ''
-      assertFileContent \
-        home-files/asserts/warnings.actual \
-        ${
-          pkgs.writeText "warnings.expected" (concatStringsSep ''
+    (mkIf config.test.asserts.assertions.enable {
+      home.file = {
+        "asserts/assertions.actual".text = concatStringsSep ''
 
-            --
-          '' config.test.asserts.warnings.expected)
-        }
+          --
+        '' (map (x: x.message) (filter (x: !x.assertion) config.assertions));
+      };
 
-      assertFileContent \
-        home-files/asserts/assertions.actual \
-        ${
-          pkgs.writeText "assertions.expected" (concatStringsSep ''
+      nmt.script = ''
+        assertFileContent \
+          home-files/asserts/assertions.actual \
+          ${
+            pkgs.writeText "assertions.expected" (concatStringsSep ''
 
-            --
-          '' config.test.asserts.assertions.expected)
-        }
-    '';
-  };
+              --
+            '' config.test.asserts.assertions.expected)
+          }
+      '';
+    })
+  ];
 }