Regression in nuget >=2.7.1: Execution engine crash or tests hang

Upgrading FSharpLu.Tests from FsCheck 2.4.0 to >=2.7.1 causes some tests to fail or timeout. After bisecting the history of nuget packages I could determine that the regression was introduced in FsCheck 2.7.1 (It does not repro on FsCheck <=2.7.0)

Repro

1 - Get the repo at https://github.com/microsoft/fsharplu 2 - Build and run the test from VS 2017. Observe that all tests pass 3 - Upgrade the FsCheck nuget to 2.8.0 4 - Rebuild and run the test. 5 - Observe that the test execution engine fails with the following error

[8/26/2017 12:49:29 PM Informational] ------ Run test started ------
[8/26/2017 12:50:46 PM Error] The active Test Run was aborted because the execution process exited unexpectedly. The test execution process crashed while running the tests. To investigate further, open file:///C:/Users/wiblum/AppData/Local/CrashDumps/vstest.executionengine.x86.exe.11708.dmp file in Visual Studio and choose "Debug in mixed mode".

6 - The behavior varies by version. For instance with version 2.7.1 the execution engine does not crash but 4 of the 19 unit tests hang (on 2.7.0 they all pass in a few seconds).

[kurtschelfthout]

Released in 2.9.2. Give it a go and re-open if not fixed. Thanks!

[blumu]

I confirm that 2.9.2 fixes it. Thanks @kurtschelfthout for the quick fix!