| Test that MutationObservers operate in Shadow DOM |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| Mutations in shadow DOM should have been observed: |
| PASS mutations.length is 4 |
| PASS mutations[0].type is "attributes" |
| PASS mutations[1].type is "childList" |
| PASS mutations[2].type is "characterData" |
| PASS mutations[3].type is "childList" |
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| Observing from outside shadow DOM should not see mutations in the shadow: |
| PASS mutations.length is 0 |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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