diff --git a/tests/integration/pull_merge_test.go b/tests/integration/pull_merge_test.go
index 28f84eea80..2a273355d4 100644
--- a/tests/integration/pull_merge_test.go
+++ b/tests/integration/pull_merge_test.go
@@ -879,6 +879,96 @@ func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
 		})
 		session.MakeRequest(t, req, http.StatusSeeOther)
 
+		// first time insert automerge record, return true
+		scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", false)
+		require.NoError(t, err)
+		assert.True(t, scheduled)
+
+		// second time insert automerge record, return false because it does exist
+		scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", false)
+		require.Error(t, err)
+		assert.False(t, scheduled)
+
+		// reload pr again
+		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
+		assert.False(t, pr.HasMerged)
+		assert.Empty(t, pr.MergedCommitID)
+
+		// update commit status to success, then it should be merged automatically
+		baseGitRepo, err := gitrepo.OpenRepository(db.DefaultContext, baseRepo)
+		require.NoError(t, err)
+		sha, err := baseGitRepo.GetRefCommitID(pr.GetGitRefName())
+		require.NoError(t, err)
+		masterCommitID, err := baseGitRepo.GetBranchCommitID("master")
+		require.NoError(t, err)
+
+		branches, _, err := baseGitRepo.GetBranchNames(0, 100)
+		require.NoError(t, err)
+		assert.ElementsMatch(t, []string{"sub-home-md-img-check", "home-md-img-check", "pr-to-update", "branch2", "DefaultBranch", "develop", "feature/1", "master"}, branches)
+		baseGitRepo.Close()
+		defer func() {
+			testResetRepo(t, baseRepo.RepoPath(), "master", masterCommitID)
+		}()
+
+		err = commitstatus_service.CreateCommitStatus(db.DefaultContext, baseRepo, user1, sha, &git_model.CommitStatus{
+			State:     api.CommitStatusSuccess,
+			TargetURL: "https://gitea.com",
+			Context:   "gitea/actions",
+		})
+		require.NoError(t, err)
+
+		time.Sleep(2 * time.Second)
+
+		// realod pr again
+		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
+		assert.True(t, pr.HasMerged)
+		assert.NotEmpty(t, pr.MergedCommitID)
+
+		unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{PullID: pr.ID})
+	})
+}
+
+func TestPullAutoMergeWithBranchDeletionAfterCommitStatusSucceed(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
+		// create a pull request
+		session := loginUser(t, "user1")
+		user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
+		forkedName := "repo1-1"
+		testRepoFork(t, session, "user2", "repo1", "user1", forkedName)
+		defer func() {
+			testDeleteRepository(t, session, "user1", forkedName)
+		}()
+		testEditFileToNewBranch(t, session, "user1", forkedName, "master", "new_branch_1", "README.md", "Hello, World (Edited)\n")
+		testPullCreate(t, session, "user1", forkedName, false, "master", "new_branch_1", "Indexer notifier test pull")
+
+		baseRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user2", Name: "repo1"})
+		forkedRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user1", Name: forkedName})
+		pr := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{
+			BaseRepoID: baseRepo.ID,
+			BaseBranch: "master",
+			HeadRepoID: forkedRepo.ID,
+			HeadBranch: "new_branch_1",
+		})
+
+		// add protected branch for commit status
+		csrf := GetCSRF(t, session, "/user2/repo1/settings/branches")
+		// Change master branch to protected
+		req := NewRequestWithValues(t, "POST", "/user2/repo1/settings/branches/edit", map[string]string{
+			"_csrf":                 csrf,
+			"rule_name":             "master",
+			"enable_push":           "true",
+			"enable_status_check":   "true",
+			"status_check_contexts": "gitea/actions",
+		})
+		session.MakeRequest(t, req, http.StatusSeeOther)
+
+		// check if new branch exists
+		forkGitRepo, err := gitrepo.OpenRepository(db.DefaultContext, forkedRepo)
+		require.NoError(t, err)
+		newBranch, err := forkGitRepo.GetBranch("new_branch_1")
+		require.NoError(t, err)
+		assert.NotNil(t, newBranch)
+
 		// first time insert automerge record, return true
 		scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
 		require.NoError(t, err)
@@ -925,6 +1015,13 @@ func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
 		assert.NotEmpty(t, pr.MergedCommitID)
 
 		unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{PullID: pr.ID})
+
+		// check if new branch got removed
+		forkGitRepo, err = gitrepo.OpenRepository(db.DefaultContext, forkedRepo)
+		require.NoError(t, err)
+		_, err = forkGitRepo.GetBranch("new_branch_1")
+		assert.Error(t, err)
+		assert.True(t, git.IsErrBranchNotExist(err))
 	})
 }