Fix review request number and add more tests (#27104)

fix #27019 
## testfixture yml
1. add issue20(a pr issue) in repo 23, org 17
2. add user15 to team 9
3. add four reviews about issue20
## test case
add two tests that are described with code comments
the code before pr #26784 failed the first test
<img width="479" alt="image"
src="https://github.com/go-gitea/gitea/assets/70063547/1d9b5787-11b4-4c4d-931f-6a9869547f35">
current code failed the second test(as mentioned in #27019)
<img width="484" alt="image"
src="https://github.com/go-gitea/gitea/assets/70063547/05608055-7587-43d1-bae1-92c688270819">
Any advice is appreciated.

---------

Co-authored-by: CaiCandong <50507092+CaiCandong@users.noreply.github.com>
Co-authored-by: Giteabot <teabot@gitea.io>

tests/integration/api_nodeinfo_test.go

@@ -33,7 +33,7 @@ func TestNodeinfo(t *testing.T) {
 		assert.True(t, nodeinfo.OpenRegistrations)
 		assert.Equal(t, "gitea", nodeinfo.Software.Name)
 		assert.Equal(t, 25, nodeinfo.Usage.Users.Total)
-		assert.Equal(t, 19, nodeinfo.Usage.LocalPosts)
+		assert.Equal(t, 20, nodeinfo.Usage.LocalPosts)
 		assert.Equal(t, 2, nodeinfo.Usage.LocalComments)
 	})
 }