Tests: speed up downloading rocks reusing HTTP connection
Tests: speed up downloading rocks reusing HTTP connection

keplerproject/luarocks,tarantool/luarocks,keplerproject/luarocks,luarocks/luarocks,tarantool/luarocks,luarocks/luarocks,keplerproject/luarocks,tarantool/luarocks,keplerproject/luarocks,luarocks/luarocks