[release/7.0][wasm] `System.Diagnostics.Tracing.Tests` failing with chrome ` Expected 210 assets to be downloaded, but only finished 211`

[radical]

Rolling build, and log:

[02:30:15] info: browser: [main] Console websocket connected.
[02:30:18] fail: [out of order message from the browser]: http://127.0.0.1:49254/managed/msdia140.dll - Failed to load resource: net::ERR_CACHE_READ_FAILURE
[02:30:27] fail: [out of order message from the browser]: http://127.0.0.1:49254/dotnet.js 4:47754 Uncaught Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
[02:30:27] fail: [out of order message from the browser]: http://127.0.0.1:49254/dotnet.js 4:47754 Uncaught Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
[02:30:27] fail: [out of order message from the browser]: http://127.0.0.1:49254/test-main.js 342:0 Uncaught Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
[02:30:27] fail: MONO_WASM: onRuntimeInitializedAsync() failed: {}
[02:30:27] fail: MONO_WASM: Stacktrace: 

[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] info: WASM EXIT 1

Hit on PRs too.

cc @pavelsavara @maraf

Known Issue Error Message

Fill the error message using known issues guidance.

{
  "ErrorPattern": ".*Error: Assert failed.*Expected.*assets to be downloaded, but only finished.*",
  "BuildRetry": false
}

Report

Build	Definition	Test	Pull Request
201611	dotnet/runtime	Workloads-Webcil-Wasm.Build.Tests.WasmTemplateTests.WorkItemExecution
197972	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82432
197919	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82192
197634	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82851
197262	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82208
197257	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82174
197250	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82089
197231	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution
193598	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82192
192196	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82921
191057	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82174
188784	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82807
186414	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82192
182904	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82572
184113	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82089
182131	dotnet/runtime	WasmTestOnBrowser-System.Diagnostics.Tracing.Tests.WorkItemExecution	#82089

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	8	16

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

Tagging subscribers to 'arch-wasm': @lewing
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Rolling build, and log:

[02:30:15] info: browser: [main] Console websocket connected.
[02:30:18] fail: [out of order message from the browser]: http://127.0.0.1:49254/managed/msdia140.dll - Failed to load resource: net::ERR_CACHE_READ_FAILURE
[02:30:27] fail: [out of order message from the browser]: http://127.0.0.1:49254/dotnet.js 4:47754 Uncaught Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
[02:30:27] fail: [out of order message from the browser]: http://127.0.0.1:49254/dotnet.js 4:47754 Uncaught Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
[02:30:27] fail: [out of order message from the browser]: http://127.0.0.1:49254/test-main.js 342:0 Uncaught Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
[02:30:27] fail: MONO_WASM: onRuntimeInitializedAsync() failed: {}
[02:30:27] fail: MONO_WASM: Stacktrace: 

[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] fail: Error: Assert failed: Expected 210 assets to be downloaded, but only finished 211
    at us (http://127.0.0.1:49254/dotnet.js:5:47755)
    at async hc (http://127.0.0.1:49254/dotnet.js:5:96851)
[02:30:27] info: WASM EXIT 1

Hit on PRs too.

cc @pavelsavara @maraf

Author:	radical
Assignees:	-
Labels:	arch-wasm, test-failure
Milestone:	-

[pavelsavara]

What is msdia140.dll native file doing there ?