fix double assignment syntax error in tests
fix double assignment syntax error in tests

eligoenergy/mechanize,bugmelody/mechanize,uksa/mechanize,sparklemotion/mechanize,jeremiahmarks/mechanize,eligoenergy/mechanize,gchan/mechanize,sjchakrav/mechanize,pwnall/mechanize,bugmelody/mechanize,sparklemotion/mechanize,gchan/mechanize,uksa/mechanize,sjchakrav/mechanize,pwnall/mechanize,flavorjones/mechanize,jeremiahmarks/mechanize