| PASS | Initialize Request with headers values | |
| PASS | Initialize Request's body with "undefined", undefined | |
| PASS | Initialize Request's body with "null", null | |
| PASS | Initialize Request's body with "[object Blob]", application/octet-binary | |
| PASS | Initialize Request's body with "[object FormData]", multipart/form-data | |
| PASS | Initialize Request's body with "This is a USVString", text/plain;charset=UTF-8 | |
| PASS | Initialize Request's body with "hi!", text/plain;charset=UTF-8 | |
| PASS | Initialize Request's body with "name=value", application/x-www-form-urlencoded;charset=UTF-8 | |