| PASS Creating an element in the document of the template elements must not enqueue a custom element upgrade reaction because the document does not have a browsing context | |
| PASS Creating an element in the document of the template elements and inserting into the document must not enqueue a custom element upgrade reaction | |
| PASS Creating an element in the document of the template elements and adopting back to a document with browsing context must enqueue a custom element upgrade reaction | |
| PASS Creating an element in a new document must not enqueue a custom element upgrade reaction because the document does not have a browsing context | |
| PASS Creating an element in a new document and inserting into the document must not enqueue a custom element upgrade reaction | |
| PASS Creating an element in a new document and adopting back to a document with browsing context must enqueue a custom element upgrade reaction | |
| PASS Creating an element in a cloned document must not enqueue a custom element upgrade reaction because the document does not have a browsing context | |
| PASS Creating an element in a cloned document and inserting into the document must not enqueue a custom element upgrade reaction | |
| PASS Creating an element in a cloned document and adopting back to a document with browsing context must enqueue a custom element upgrade reaction | |
| PASS Creating an element in a document created by createHTMLDocument must not enqueue a custom element upgrade reaction because the document does not have a browsing context | |
| PASS Creating an element in a document created by createHTMLDocument and inserting into the document must not enqueue a custom element upgrade reaction | |
| PASS Creating an element in a document created by createHTMLDocument and adopting back to a document with browsing context must enqueue a custom element upgrade reaction | |
| PASS Creating an element in an HTML document created by createDocument must not enqueue a custom element upgrade reaction because the document does not have a browsing context | |
| PASS Creating an element in an HTML document created by createDocument and inserting into the document must not enqueue a custom element upgrade reaction | |
| PASS Creating an element in an HTML document created by createDocument and adopting back to a document with browsing context must enqueue a custom element upgrade reaction | |
| PASS Creating an element in an HTML document fetched by XHR must not enqueue a custom element upgrade reaction because the document does not have a browsing context | |
| PASS Creating an element in an HTML document fetched by XHR and inserting into the document must not enqueue a custom element upgrade reaction | |
| PASS Creating an element in an HTML document fetched by XHR and adopting back to a document with browsing context must enqueue a custom element upgrade reaction | |
| PASS Creating an element in the document of an iframe must not enqueue a custom element upgrade reaction if there is no matching definition | |
| PASS Creating an element in the document of an iframe must enqueue a custom element upgrade reaction if there is a matching definition | |
| PASS "define" in the document of an iframe must not enqueue a custom element upgrade reaction on a disconnected unresolved custom element | |
| PASS Inserting an unresolved custom element into the document of an iframe must enqueue a custom element upgrade reaction | |
| PASS "define" in the document of an iframe must enqueue a custom element upgrade reaction on a connected unresolved custom element | |
| PASS Adopting (and leaving disconnceted) an unresolved custom element into the document of an iframe must not enqueue a custom element upgrade reaction | |
| PASS Adopting and inserting an unresolved custom element into the document of an iframe must enqueue a custom element upgrade reaction | |