Test failure: System.ConfigurationTests.AppSettingsTests/AddToAppSettings_Save

[ghost]

Opened on behalf of @jiangzeng

The test System.ConfigurationTests.AppSettingsTests/AddToAppSettings_Save has failed.

Assert.False() Failure\r
Expected: False\r
Actual: True

    Stack Trace:

       at System.ConfigurationTests.AppSettingsTests.AddToAppSettings_Save() in E:\A\_work\221\s\corefx\src\System.Configuration.ConfigurationManager\tests\System\Configuration\AppSettingsTests.cs:line 79

Build : Master - 20170504.01 (Full Framework Tests)
Failing configurations:

• Windows.10.Amd64
  • x64-Release
  • x86-Debug
  • x86-Release

Link:
https://mc.dot.net/#/product/netcore/master/source/official~2Fcorefx~2Fmaster~2F/type/test~2Ffunctional~2Fdesktop~2Fcli~2F/build/20170504.01/workItem/System.Configuration.ConfigurationManager.Tests/analysis/xunit/System.ConfigurationTests.AppSettingsTests~2FAddToAppSettings_Save

[danmoseley]

Seems like an expected desktop diff. We don't hvae machine.config, it does.

                // Make sure we didn't serialize the implicit machine.config
                Assert.False(File.Exists(new ConfigurationFileMap().MachineConfigFilename));
``

[ghost]

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[ghost]

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