unit tests failures in core on windows

Failed tests:
  RunTest.getLogReturnsAnRightOrder:192 expected:<[...truncated [6]8 B...]> but was:<[...truncated [7]8 B...]>
  SecretRewriterTest.recursionDetection:100 assert 6==sw.rewriteRecursive(t, st)
        | |  |                |  |
        | |  5                |  hudson.util.StreamTaskListener@19855799
        | |                   C:\workarea\source\github\jenkinsci\temp\jenkins\core\target\junit5825166057877884911\t
        | hudson.util.SecretRewriter@bd09a26
        false
  RunIdMigratorTest.legacy:86 expected:<...otherstuff>
</run>'}[, 99=?2014-01-02_03-04-05, lastFailedBuild=?-1, lastSuccessfulBuild=?99]}> but was:<...otherstuff>
</run>'}[]}>
  RunIdMigratorTest.reRunMigration:105 expected:<.../number>
</run>'}, 9[8=?2014-01-02_03-04-04, 99={build.xml='<?xml version='1.0' encoding='UTF-8'?>
<run>
  <stuff>ok</stuff>
  <timestamp>1388649845000</timestamp>
  <otherstuff>ok</otherstuff>
</run>'}, lastFailedBuild=?-1, lastSuccessfulBuild=?99]}> but was:<.../number>
</run>'}, 9[9={build.xml='<?xml version='1.0' encoding='UTF-8'?>
<run>
  <stuff>ok</stuff>
  <timestamp>1388649845000</timestamp>
  <otherstuff>ok</otherstuff>
</run>'}]}>
  RunIdMigratorTest.reverseAfterNewBuilds:129 expected:<{[1=?2014-01-02_03-04-05, ]2014-01-02_03-04-05=...> but was:<{[]2014-01-02_03-04-05=...>
  RunIdMigratorTest.reverseImmediately:117 expected:<...erstuff>
</run>'}, l[astFailedBuild=?-1, lastSuccessfulBuild=?99, l]egacyIds='2014-01-02...> but was:<...erstuff>
</run>'}, l[]egacyIds='2014-01-02...>
  RunIdMigratorTest.reverseMatrixAfterNewBuilds:139 expected:<{[1=?2014-01-02_03-04-05, ]2014-01-02_03-04-05=...> but was:<{[]2014-01-02_03-04-05=...>
  RunIdMigratorTest.reverseMavenAfterNewBuilds:149 expected:<{[1=?2014-01-02_03-04-05, ]2014-01-02_03-04-05=...> but was:<{[]2014-01-02_03-04-05=...>
  VirtualFileTest.outsideSymlinks:53

Tests run: 3484, Failures: 9, Errors: 0, Skipped: 9