test
`entry.LastWriteTime` is an unspecified/local DateTime but we're
comparing it against `date` which is in UTC. This could lead to
issues where the Day isn't matching when running the test around
midnight.
Examples:
https://github.com/xamarin/maccore/issues/597
https://jenkins.mono-project.com/job/xamarin-android-pr-builder/2387/testReport/Xamarin.Android.Bcl_Tests,%20MonoTests.System.IO.Compression.FileSystem/ZipArchiveTests/ZipCreateFromEntryChangeTimestamp___Debug/