RFR: Enable CI on Windows, fix or disable failing tests

[Robin Westberg]

Hi all,

Please review this change that enables CI for Windows as well, and fixes or disables failing tests.

Failing tests:
https://bugs.openjdk.java.net/browse/SKARA-136
https://bugs.openjdk.java.net/browse/SKARA-137

Best regards,
Robin

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Commits:
 - 24d62997: Enable CI on Windows, fix or disable failing tests

Changes: https://git.openjdk.java.net/skara/pull/215/files
 Webrev: https://webrevs.openjdk.java.net/skara/215/webrev.00
  Stats: 36 lines in 6 files changed: 20 ins; 4 del; 12 mod
  Patch: https://git.openjdk.java.net/skara/pull/215.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/215/head:pull/215

PR: https://git.openjdk.java.net/skara/pull/215