`Test request for parse and check doesn't check whole project` fails in official build

[brettfo]

The Test request for parse and check doesn't check whole project perf test on the internal build has been failing in the official build. It first started failing with #11153.

Expected: true
Actual: false
Expected: True
But was:  False

at FsUnit.shouldEqual[a](a x, a y) in D:\workspace\_work\1\s\tests\service\FsUnit.fs:line 19
at FSharp.Compiler.Service.Tests.PerfTests.Test request for parse and check doesn't check whole project() in D:\workspace\_work\1\s\tests\service\PerfTests.fs:line 86

[cartermp]

@dsyme could you look into why this is failing?

[KevinRansom]

@brettfo is this still a thing?