Regression

windows-64 / Tests-windows-64 / Windows64.Network.Mail.Tests.MailMessageTest.testAttachment (from Network-Mail-Tests)

Failing for the past 1 build (Since #1227 )
Took 28 ms.

Error Message

Could not delete file File. Check the file is not open.

Stacktrace

CannotDeleteFileException
Could not delete file File. Check the file is not open.
File class>>deleteFile:
MailMessageTest>>testAttachment
MailMessageTest(TestCase)>>performTest