Use /tmp for test repositories (#11126)

* Add option to use /tmp for test repositories

* Fix exit status

* Add feedback about using tmp repos

Co-authored-by: Guillermo Prandi <guillep2k@users.noreply.github.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

.gitignore

@@ -68,6 +68,7 @@ coverage.all
 /integrations/indexers-pgsql
 /integrations/indexers-sqlite
 /integrations/indexers-mssql
+/integrations/sqlite.ini
 /integrations/mysql.ini
 /integrations/mysql8.ini
 /integrations/pgsql.ini