[Webkit-unassigned] [Bug 225796] New: REGRESSION(r277437?):[ macOS ] inspector/unit-tests/heap-snapshot-collection-event.html is a constant text failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=225796

            Bug ID: 225796
           Summary: REGRESSION(r277437?):[ macOS ]
                    inspector/unit-tests/heap-snapshot-collection-event.ht
                    ml is a constant text failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Jenner at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

inspector/unit-tests/heap-snapshot-collection-event.html

is a constant text failure on macOS. 

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=media%2Fmodern-media-controls%2Fpip-support%2Fpip-support-enabled.html

TEXT DIFF:
 == Running test suite: HeapSnapshot.CollectionEvent
 -- Running test case: HeapSnapshot
 PASS: Should not have an error creating a snapshot.
-PASS: Should create HeapSnapshotProxy snapshot.
+Uncaught exception in Inspector page: SyntaxError: JSON Parse error: Single quotes (') are not allowed in JSON [HeapSnapshot.js:92:30]

--- Running test case: HeapSnapshotCollectionEvent
-PASS: Should not have an error creating a snapshot.
-PASS: Received HeapSnapshot.CollectionEvent.
-PASS: Collection should include at least 200 nodes (100 objects and 100 strings).
-PASS: Collection should affect the first snapshot.

--- Running test case: HeapSnapshot.prototype.update
-PASS: 0 Objects were dead before.
-PASS: At least 100 Objects are dead after.
-PASS: 0 strings were dead before.
-PASS: At least 100 strings are dead after.
-

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