Skip slow tests on Windows due to 32/64 bit problems
Skip slow tests on Windows due to 32/64 bit problems

```
Could not initialize class com.sun.jna.platform.win32.Kernel32
[info] [E] sbt.internal.io.WinMilli$.getHandle(Milli.scala:278)
[info] [E] sbt.internal.io.WinMilli$.getModifiedTimeNative(Milli.scala:296)
```

scalameta/scalameta,xeno-by/scalameta,scalameta/scalameta,xeno-by/scalameta,scalameta/scalameta,olafurpg/scalameta,olafurpg/scalameta,scalameta/scalameta,xeno-by/scalameta,olafurpg/scalameta,scalameta/scalameta