Use create_instance in downloader handler tests
Use create_instance in downloader handler tests

elacuesta/scrapy,dangra/scrapy,eLRuLL/scrapy,pablohoffman/scrapy,dangra/scrapy,scrapy/scrapy,pawelmhm/scrapy,starrify/scrapy,scrapy/scrapy,starrify/scrapy,pawelmhm/scrapy,elacuesta/scrapy,starrify/scrapy,pawelmhm/scrapy,dangra/scrapy,pablohoffman/scrapy,eLRuLL/scrapy,scrapy/scrapy,elacuesta/scrapy,pablohoffman/scrapy,eLRuLL/scrapy