Check empty secret in other spots

server/account_test.go

@@ -28,11 +28,10 @@ func TestRegisterUser(t *testing.T) { //nolint:funlen
 		return
 	}
 
+	tokenVerifier, _ := jwt.NewTokenVerifier("this_is_my_demo_secret_for_unit_tests")
 	h := Handler{
-		Service: database,
-		TokenVerifier: &jwt.TokenVerifier{
-			Secret: "this_is_my_demo_secret_for_unit_tests",
-		},
+		Service:             database,
+		TokenVerifier:       tokenVerifier,
 		CredentialsVerifier: &bcrypt.Verifier{},
 	}