self.last_response = access_token.send(method, "https://example.com#{path}", :body => params, :header => headers(method, path, params, request_headers))

WebMock::Util::URI.normalize_uri("e.com?a[]=b&a[]=c") #=> #<Addressable::URI:0x3fdabb0f0f70 URI:https://e.com:80/?a%5B0%5D=b&a%5B1%5D=c>
WebMock::Util::URI.normalize_uri("e.com?a%5B%5D=b&a%5B%5D=c").query_values #=> {"a"=>["b", "c"]}
WebMock::Util::URI.normalize_uri("e.com?a%5B0%5D=b&a%5B1%5D=c").query_values #=> {"a"=>["b", "c"]}
WebMock::Util::URI.normalize_uri("e.com?a[0]=b&a[1]=c").query_values #=> {"a"=>["b", "c"]}
WebMock::Util::URI.normalize_uri("e.com?a[]=b&a[]=c").query_values #=> {"a"=>["b", "c"]}
Rack::Utils.parse_nested_query("a%5B%5D=b&a%5B%5D=c") #=> {"a"=>["b", "c"]}
Rack::Utils.parse_nested_query("a%5B0%5D=b&a%5B1%5D=c") #=> {"a"=>{"0"=>"b", "1"=>"c"}}
Rack::Utils.parse_nested_query("a[0]=b&a[1]=c") #=> {"a"=>{"0"=>"b", "1"=>"c"}}
Rack::Utils.parse_nested_query("a[]=b&a[]=c") #=> {"a"=>["b", "c"]}                      

let(:targets) { {'0'=>'strange', '1'=>'hash'} }