diff --git a/tests/configs/default.nix b/tests/configs/default.nix
new file mode 100644
index 0000000..5cdc45b
--- /dev/null
+++ b/tests/configs/default.nix
@@ -0,0 +1,15 @@
+let
+  sources = import ../../npins;
+in
+{ pkgs ? import sources.nixos-unstable { } }:
+
+let
+  wmLib = (import ../../. { }).lib;
+  build = modules: wmLib.build {
+    inherit pkgs modules;
+  };
+in
+{
+  fastfetch = build [ ./wrapper-fastfetch.nix ];
+  neofetch = build [ ./wrapper-neofetch.nix ];
+}
diff --git a/tests/configs/wrapper-fastfetch.nix b/tests/configs/wrapper-fastfetch.nix
new file mode 100644
index 0000000..262c54a
--- /dev/null
+++ b/tests/configs/wrapper-fastfetch.nix
@@ -0,0 +1,18 @@
+{ config, lib, pkgs, ... }:
+
+{
+  wrappers.fastfetch = {
+    arg0 = lib.getExe' pkgs.fastfetch "fastfetch";
+    appendArgs = [ "--logo" "Guix" ];
+    env.NO_COLOR = "1";
+    xdg.desktopEntry.enable = true;
+  };
+
+  build.extraPassthru.tests = {
+    actuallyBuilt = let
+      wrapper = config.build.toplevel;
+    in pkgs.runCommand "wrapper-manager-fastfetch-actually-built" { } ''
+      [ -e "${wrapper}/share/applications/fastfetch.desktop" ] && [ -x "${wrapper}/bin/${config.wrappers.fastfetch.executableName}" ] && touch $out
+    '';
+  };
+}
diff --git a/tests/configs/wrapper-neofetch.nix b/tests/configs/wrapper-neofetch.nix
new file mode 100644
index 0000000..6db34f8
--- /dev/null
+++ b/tests/configs/wrapper-neofetch.nix
@@ -0,0 +1,21 @@
+{ config, lib, pkgs, yourMomName, ... }:
+
+{
+  wrappers.neofetch = {
+    arg0 = lib.getExe' pkgs.neofetch "neofetch";
+    executableName = yourMomName;
+    appendArgs = [
+      "--ascii_distro" "guix"
+      "--title_fqdn" "off"
+      "--os_arch" "off"
+    ];
+  };
+
+  build.extraPassthru.tests = {
+    actuallyBuilt = let
+      wrapper = config.build.toplevel;
+    in pkgs.runCommand "wrapper-manager-neofetch-actually-built" { } ''
+      [ -x "${wrapper}/bin/${config.wrappers.fastfetch.executableName}" ] && touch $out
+    '';
+  };
+}
diff --git a/tests/lib/env/default.nix b/tests/lib/env/default.nix
index ea92dc2..44dfb19 100644
--- a/tests/lib/env/default.nix
+++ b/tests/lib/env/default.nix
@@ -1,12 +1,16 @@
 { pkgs, lib, self }:
 
+let
+  neofetchWrapper = ../../configs/wrapper-neofetch.nix;
+  fastfetchWrapper = ../../configs/wrapper-fastfetch.nix;
+in
 lib.runTests {
   testsEvaluateSampleConfiguration = {
     expr =
       let
         sampleConf = self.env.eval {
           inherit pkgs;
-          modules = [ ./wrapper-neofetch.nix ];
+          modules = [ neofetchWrapper ];
           specialArgs.yourMomName = "Joe Mama";
         };
       in
@@ -19,7 +23,7 @@ lib.runTests {
       let
         sampleConf = self.env.eval {
           inherit pkgs;
-          modules = [ ./wrapper-fastfetch.nix ];
+          modules = [ fastfetchWrapper ];
           specialArgs.yourMomName = "Joe Mama";
         };
       in
@@ -32,7 +36,7 @@ lib.runTests {
       let
         sampleConf = self.env.build {
           inherit pkgs;
-          modules = [ ./wrapper-neofetch.nix ];
+          modules = [ neofetchWrapper ];
           specialArgs.yourMomName = "Joe Mama";
         };
       in
@@ -45,7 +49,7 @@ lib.runTests {
       let
         sampleConf = self.env.build {
           inherit pkgs;
-          modules = [ ./wrapper-fastfetch.nix ];
+          modules = [ fastfetchWrapper ];
           specialArgs.yourMomName = "Joe Mama";
         };
       in
diff --git a/tests/lib/env/wrapper-fastfetch.nix b/tests/lib/env/wrapper-fastfetch.nix
deleted file mode 100644
index b9e71a0..0000000
--- a/tests/lib/env/wrapper-fastfetch.nix
+++ /dev/null
@@ -1,10 +0,0 @@
-{ lib, pkgs, ... }:
-
-{
-  wrappers.fastfetch = {
-    arg0 = lib.getExe' pkgs.fastfetch "fastfetch";
-    appendArgs = [ "--logo" "Guix" ];
-    env.NO_COLOR = "1";
-    xdg.desktopEntry.enable = true;
-  };
-}
diff --git a/tests/lib/env/wrapper-neofetch.nix b/tests/lib/env/wrapper-neofetch.nix
deleted file mode 100644
index 9986e41..0000000
--- a/tests/lib/env/wrapper-neofetch.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-{ lib, pkgs, yourMomName, ... }:
-
-{
-  wrappers.neofetch = {
-    arg0 = lib.getExe' pkgs.neofetch "neofetch";
-    executableName = yourMomName;
-    appendArgs = [
-      "--ascii_distro" "guix"
-      "--title_fqdn" "off"
-      "--os_arch" "off"
-    ];
-  };
-}