System.IO.IsolatedStorage.Tests.HelperTests.GetDataDirectory(scope: Machine) fails on Android #55693

      <test name="System.IO.IsolatedStorage.Tests.HelperTests.GetDataDirectory(scope: Machine)" type="System.IO.IsolatedStorage.Tests.HelperTests" method="GetDataDirectory" time="0.0380145" result="Fail">
        <failure exception-type="System.IO.IOException">
          <message><![CDATA[System.IO.IOException : Read-only file system]]></message>
          <stack-trace><![CDATA[   at System.IO.FileSystem.CreateDirectory(String fullPath) in System.Private.CoreLib.dll:token 0x600553a+0x1a2
   at System.IO.Directory.CreateDirectory(String path) in System.Private.CoreLib.dll:token 0x60053e6+0x2d
   at System.Environment.GetFolderPathCore(SpecialFolder folder, SpecialFolderOption option) in System.Private.CoreLib.dll:token 0x60002b0+0x65
   at System.Environment.GetFolderPath(SpecialFolder folder, SpecialFolderOption option) in System.Private.CoreLib.dll:token 0x600029a+0x73
   at System.IO.IsolatedStorage.Helper.GetDataDirectory(IsolatedStorageScope scope) in /_/src/libraries/System.IO.IsolatedStorage/src/System/IO/IsolatedStorage/Helper.Win32Unix.cs:line 25
   at System.IO.IsolatedStorage.Tests.HelperTests.GetDataDirectory(IsolatedStorageScope scope) in /_/src/libraries/System.IO.IsolatedStorage/tests/System/IO/IsolatedStorage/HelperTests.cs:line 47
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) in System.Private.CoreLib.dll:token 0x6004b15+0x6a]]></stack-trace>
        </failure>