1658583 - Incomplete stacktrace in plain mochitest when `isfuzzy`-check is violated

Status: NEW

(Testing :: Mochitest, defect, P3)

Description

[Mirko Brodesser (:mbrodesser-Igalia), offline until 10th of Feb]

When executing

./mach mochitest --enable-xorigin-tests --enable-fission editor/libeditor/tests/test_resizers_resizing_elements.html

(see bug 1652557)[https://bugzilla.mozilla.org/show_bug.cgi?id=1652557]

with current Gecko the failure message includes only information about the first two stack frames:

 1:02.74 PASS waiting selectionchange to select the target element
 1:02.99 FAIL Resizers for <img>: The width should be increased by -10 pixels - got 150, expected 140 epsilon: +/- 2
    SimpleTest.isfuzzy@SimpleTest/SimpleTest.js:513:14
    testResizer@editor/libeditor/tests/test_resizers_resizing_elements.html?currentTestURL=editor%2Flibeditor%2Ftests%2Ftest_resizers_resizing_elements.html&closeWhenDone=undefined&showTestReport=true&expected=pass:158:14
 1:02.99 PASS Resizers for <img>: The height should be increased by 0pixels

That is, the outermost function it points to is this.

In order to debug the failure, it would be helpful to have the whole stacktrace, for instance pointing to this and its outer function calls too.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The severity field is not set for this bug.
:ahal, could you have a look please?

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