Fix codespell and test comment

client/server/setconfig_mdm_test.go

@@ -103,10 +103,8 @@ func setupServerWithProfile(t *testing.T) (s *Server, ctx context.Context, profN
 	return s, ctx, profName, currUser.Username, cfgPath
 }
 
-// testProfileOwner is the identity the unprivileged test contexts carry, so a
-// fixture profile can be owned by the very caller that drives the handler.
-// Without an owner the profile is unowned, which the loader hides from every
-// unprivileged caller.
+// testProfileOwner is the identity userCtx carries, which is who a fixture
+// profile belongs to.
 func testProfileOwner() *ipcauth.Identity {
 	id := unprivilegedIdentity()
 	return &id