| PASS MIME type for Blob from empty body | |
| PASS MIME type for Blob from empty body with Content-Type | |
| PASS MIME type for Blob | |
| PASS MIME type for Blob with non-empty type | |
| PASS Extract a MIME type with clone | |
| PASS MIME type unchanged if headers are modified after Request() constructor | |
| PASS Extract a MIME type (1) | |