Fix commit_status problem when testing (go-gitea#29672)

Close go-gitea#29661

fix go-gitea#29656

Co-authored-by: Giteabot <teabot@gitea.io>

services/pull/commit_status.go

@@ -58,7 +58,7 @@ func MergeRequiredContextsCommitStatus(commitStatuses []*git_model.CommitStatus,
 		}
 	}
 
-	if matchedCount == 0 {
+	if matchedCount == 0 && returnedStatus == structs.CommitStatusSuccess {
 		status := git_model.CalcCommitStatus(commitStatuses)
 		if status != nil {
 			return status.State