diff --git a/tests/lib.nix b/tests/lib.nix
index 65559f8..3b181cc 100644
--- a/tests/lib.nix
+++ b/tests/lib.nix
@@ -66,4 +66,24 @@ lib.runTests {
     (rgxToString "a?" "a" == "a")
     (rgxToString "hat" "foohatbar" == "hat")
   ];
+
+  testSuites =
+    let
+      profiles = os.mkProfileAttrs (toString ./profiles);
+      users = "";
+      userProfiles = "";
+      suites = { profiles, ... }: {
+        system.bar = [ profiles.foo ];
+      };
+    in
+    {
+      expr = os.mkSuites { inherit profiles users userProfiles suites; };
+      expected = {
+        system = {
+          bar = [ profiles.foo.default ];
+          allProfiles = [ profiles.foo.default profiles.t.default ];
+          allUsers = [];
+        };
+      };
+    };
 }
diff --git a/tests/profiles/foo/default.nix b/tests/profiles/foo/default.nix
new file mode 100644
index 0000000..2181e56
--- /dev/null
+++ b/tests/profiles/foo/default.nix
@@ -0,0 +1,3 @@
+{
+  bar = 5;
+}
diff --git a/tests/profiles/t/default.nix b/tests/profiles/t/default.nix
new file mode 100644
index 0000000..e69de29