Stop various tests from adding to the source tree (#9515)

Instead of just adding test generated files to .gitignore prevent
them from being produced in the first place.

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

modules/indexer/issues/bleve.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"strconv"
 
+	"code.gitea.io/gitea/modules/log"
 	"github.com/blevesearch/bleve"
 	"github.com/blevesearch/bleve/analysis/analyzer/custom"
 	"github.com/blevesearch/bleve/analysis/token/lowercase"
@@ -184,6 +185,15 @@ func (b *BleveIndexer) Init() (bool, error) {
 	return false, err
 }
 
+// Close will close the bleve indexer
+func (b *BleveIndexer) Close() {
+	if b.indexer != nil {
+		if err := b.indexer.Close(); err != nil {
+			log.Error("Error whilst closing indexer: %v", err)
+		}
+	}
+}
+
 // Index will save the index data
 func (b *BleveIndexer) Index(issues []*IndexerData) error {
 	batch := rupture.NewFlushingBatch(b.indexer, maxBatchSize)