Fix Level DB set up, use random directory (#4601) (#4611)

* use random dir instead of fixed

* fix compile err

* lint

(cherry picked from commit 1937193)

Co-authored-by: Hieu Vu <72878483+hieuvubk@users.noreply.github.com>

app/test_helpers.go

@@ -48,7 +48,10 @@ func Setup(isCheckTx bool) *OsmosisApp {
 // SetupTestingAppWithLevelDb initializes a new OsmosisApp intended for testing,
 // with LevelDB as a db.
 func SetupTestingAppWithLevelDb(isCheckTx bool) (app *OsmosisApp, cleanupFn func()) {
-	dir := "osmosis_testing"
+	dir, err := os.MkdirTemp(os.TempDir(), "osmosis_leveldb_testing")
+	if err != nil {
+		panic(err)
+	}
 	db, err := sdk.NewLevelDB("osmosis_leveldb_testing", dir)
 	if err != nil {
 		panic(err)