def list_offerings
response = Excon::Response.new
response.status = 200
response.body = {"volumes"=>
[{"name"=>"Small",
"price"=>
{"pricePerQuantity"=>1,
"effectiveDate"=>-1,
"rate"=>0.0384,
"countryCode"=>"897",
"unitOfMeasure"=>"UHR",
"currencyCode"=>"USD"},
"location"=>"61",
"id"=>"20001208",
"formats"=>
[{"label"=>"ext3", "id"=>"EXT3"}, {"label"=>"raw", "id"=>"RAW"}],
"capacity"=>256},
{"name"=>"Small",
"price"=>
{"pricePerQuantity"=>1,
"effectiveDate"=>-1,
"rate"=>0.0384,
"countryCode"=>"897",
"unitOfMeasure"=>"UHR",
"currencyCode"=>"USD"},
"location"=>"141",
"id"=>"20001208",
"formats"=>
[{"label"=>"ext3", "id"=>"EXT3"}, {"label"=>"raw", "id"=>"RAW"}],
"capacity"=>256}]},
response
end