Unit test fixes for Windows

[seriouz]

I've made some changes to the unit tests, so that they are all working with windows. Almost all changes regarded the end-of-line problem between Windows and Linux/Mac.

[seriouz]

@dotnet-policy-service agree

[RikkiGibson]

Windows tests runs are timing out here.

Also seeing a warning in the test project: /home/vsts/work/1/s/tests/Formatters/OrganizeImportsFormatterTests.cs(3,1): warning IDE0005: Using directive is unnecessary. [/home/vsts/work/1/s/tests/dotnet-format.UnitTests.csproj]

[JoeRobich]

Not sure why these changes would be necessary.

[JoeRobich]

Closing as 9.x development has moved into the dotnet/sdk repo.