message: Serialize sync tests on 32-bit Windows to avoid running out of address space
diff: @@ -604,6 +604,19 @@ def doBuildWindows(String buildType, boolean isUWP, String platform, boolean run
  mkdir %TMP%
  realm-tests.exe --no-error-exit-code
  copy unit-test-report.xml ..\\core-results.xml
  + rmdir /Q /S %TMP%
  + '''
  + }
  + }
  + if (arch == 'x86') {
  + // On 32-bit Windows we run out of address space when running
  + // the sync tests in parallel
  + environment << 'UNITTEST_THREADS=1'
  + }
  + withEnv(environment) {
  + dir("build-dir/test/${buildType}") {
  + bat '''
  + mkdir %TMP%
  realm-sync-tests.exe --no-error-exit-code
  copy unit-test-report.xml ..\\sync-results.xml
  rmdir /Q /S %TMP%
  