Do some missing checks (#28423) (#28432)

backport #28423

tests/integration/project_test.go

@@ -0,0 +1,23 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"net/http"
+	"testing"
+
+	"code.gitea.io/gitea/tests"
+)
+
+func TestPrivateRepoProject(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	// not logged in user
+	req := NewRequest(t, "GET", "/user31/-/projects")
+	MakeRequest(t, req, http.StatusNotFound)
+
+	sess := loginUser(t, "user1")
+	req = NewRequest(t, "GET", "/user31/-/projects")
+	sess.MakeRequest(t, req, http.StatusOK)
+}