Console log: 'Microsoft.Extensions.Caching.Memory.Tests' from job 2811b660-60e1-4db5-bc89-e99bd328af79 (ubuntu.1604.amd64.open.rt) using docker image mcr.microsoft.com/dotnet-buildtools/prereqs:debian-10-helix-amd64-bfcd90a-20200121150006 on a0045W9
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/root/helix/work/workitem /root/helix/work/workitem
  Discovering: Microsoft.Extensions.Caching.Memory.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  Microsoft.Extensions.Caching.Memory.Tests (found 91 of 98 test cases)
  Starting:    Microsoft.Extensions.Caching.Memory.Tests (parallel test collections = on, max threads = 2)
    Microsoft.Extensions.Caching.Memory.MemoryCacheSetAndRemoveTests.AddAndReplaceEntries_AreThreadSafe [FAIL]
      Assert.Equal() Failure
      Expected: 0
      Actual:   2
      Stack Trace:
        /_/src/libraries/Microsoft.Extensions.Caching.Memory/tests/MemoryCacheSetAndRemoveTests.cs(652,0): at Microsoft.Extensions.Caching.Memory.MemoryCacheSetAndRemoveTests.AddAndReplaceEntries_AreThreadSafe()
  Finished:    Microsoft.Extensions.Caching.Memory.Tests
=== TEST EXECUTION SUMMARY ===