System.Collections.Immutable.Tests on Wasm failing intermittently with Assertion at /__w/1/s/src/mono/mono/metadata/class.c:1990, condition `<disabled>' not met

[runfoapp]

Runfo Tracking Issue: System.Collections.Immutable.Tests on Wasm failing intermittently

Build	Definition	Kind	Run Name	Console	Core Dump	Test Results	Run Client
1654719	runtime	PR 66408	net7.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1654719	runtime	PR 66408	net7.0-Browser-Release-wasm-Mono_Release-WasmTestOnBrowser-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1630870	runtime	PR 65729	net7.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1630870	runtime	PR 65729	net7.0-Browser-Release-wasm-Mono_Release-WasmTestOnBrowser-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1628733	runtime	PR 65446	net7.0-Browser-Release-wasm-Mono_Release-WasmTestOnBrowser-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1626189	runtime	PR 65729	net7.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1626189	runtime	PR 65729	net7.0-Browser-Release-wasm-Mono_Release-WasmTestOnBrowser-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1626173	runtime	PR 65728	net7.0-Browser-Release-wasm-Mono_Release-normal-Ubuntu.1804.Amd64.Open	console.log			runclient.py
1626173	runtime	PR 65728	net7.0-Browser-Release-wasm-Mono_Release-WasmTestOnBrowser-Ubuntu.1804.Amd64.Open	console.log			runclient.py

Build Result Summary

Day Hit Count	Week Hit Count	Month Hit Count
0	0	5

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Issue Details

---

Runfo Creating Tracking Issue (data being generated)

Author:	runfoapp[bot]
Assignees:	-
Labels:	arch-wasm, area-System.Collections, untriaged
Milestone:	-

[danmoseley]

[01:48:00] info: Discovered:  System.Collections.Immutable.Tests.dll (found 958 of 962 test cases)
[01:48:00] info: Starting:    System.Collections.Immutable.Tests.dll
[01:48:06] fail: * Assertion at /__w/1/s/src/mono/mono/metadata/class.c:1990, condition `<disabled>' not met
                 
[02:02:54] fail: Application has finished with exit code TIMED_OUT but 0 was expected
XHarness exit code: 71 (GENERAL_FAILURE)
/datadisks/disk1/work/A97009C7/w/BDF90A33/e /datadisks/disk1/work/A97009C7/w/BDF90A33/e

This is a Mono issue.

[radical]

We rolled back Emscripten yesterday with #65517 . The builds here seem to be from before that, like with PRs that weren't updated, or ran before this. And the rolling builds are from earlier in the week.