Add test for unsupported oEmbed resource
Add test for unsupported oEmbed resource

gunjanmodi/documentcloud,monofox/documentcloud,dannguyen/documentcloud,dannguyen/documentcloud,moodpo/documentcloud,ivarvong/documentcloud,ivarvong/documentcloud,documentcloud/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,moodpo/documentcloud,moodpo/documentcloud,documentcloud/documentcloud,monofox/documentcloud,ivarvong/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,moodpo/documentcloud,monofox/documentcloud,gunjanmodi/documentcloud,dannguyen/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,documentcloud/documentcloud,monofox/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,ivarvong/documentcloud,gunjanmodi/documentcloud,documentcloud/documentcloud,dannguyen/documentcloud,gunjanmodi/documentcloud