[mono][tests] System.Runtime.Caching assert fails on linux-bionic

[kotlarmilos]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=429167&view=logs&j=ab306dbd-9f73-5131-57d7-1eb5f5188356&t=15d6e221-840c-5f04-2f14-457f5a7ff25b
Build error leg or test failing: linux_bionic-x64 Release AllSubsets_Mono

Starting:    System.Runtime.Caching.Tests (parallel test collections = on, max threads = 1)
            Assert.Equal() Failure
            Expected: 8194
            Actual:   7001
            Stack Trace:
              /_/src/libraries/System.Runtime.Caching/tests/System.Runtime.Caching/MemoryCacheTest.cs(1544,0): at MonoTests.System.Runtime.Caching.MemoryCacheTestExpires4.TestCacheShrink()
              --- End of stack trace from previous location ---
          MonoTests.System.Runtime.Caching.MemoryCacheTest.PhysicalMemoryLimitNotSupported [SKIP]
            Condition(s) not met: "DoesNotSupportPhysicalMemoryMonitor"
            Assert.Equal() Failure
            Expected: 100
            Actual:   0
            Stack Trace:
              /_/src/libraries/System.Runtime.Caching/tests/System.Runtime.Caching/MemoryCacheTest.cs(1609,0): at MonoTests.System.Runtime.Caching.MemoryCacheTestExpires5.TestCacheExpiryOrdering()
              --- End of stack trace from previous location ---
        Finished:    System.Runtime.Caching.Tests
      === TEST EXECUTION SUMMARY ===
         System.Runtime.Caching.Tests  Total: 46, Errors: 0, Failed: 2, Skipped: 1, Time: 35.779s
      
      
      Std err:
          MonoTests.System.Runtime.Caching.MemoryCacheTestExpires4.TestCacheShrink [FAIL]
          MonoTests.System.Runtime.Caching.MemoryCacheTestExpires5.TestCacheExpiryOrdering [FAIL]

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "at MonoTests.System.Runtime.Caching",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=429167
Error message validated: at MonoTests.System.Runtime.Caching
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 10/6/2023 10:30:29 AM UTC

Report

Build	Definition	Test	Pull Request
656273	dotnet/runtime	MonoTests.System.Runtime.Caching.CountersTest.Basic_Counters
655920	dotnet/runtime	WasmTestOnChrome-MT-System.Runtime.Caching.Tests.WorkItemExecution	#101252
655080	dotnet/runtime	MonoTests.System.Runtime.Caching.MemoryCacheTest.Contains	#101512
652294	dotnet/runtime	MonoTests.System.Runtime.Caching.MemoryCacheTest.Contains	#101391
645464	dotnet/runtime	System.Runtime.Caching.Tests.WorkItemExecution

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	5