[jdk13u-dev] RFR: 8261279: sun/util/resources/cldr/TimeZoneNamesTest.java timed out

[Yuri Nesterenko]

Backporting this useful test fix as such and as a prerequisite to the related changes

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Commit messages:
 - Backport becee6435bc38c4e3fe5b197c985e68e97fc8e0d

Changes: https://git.openjdk.org/jdk13u-dev/pull/439/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk13u-dev&pr=439&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8261279
  Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk13u-dev/pull/439.diff
  Fetch: git fetch https://git.openjdk.org/jdk13u-dev pull/439/head:pull/439

PR: https://git.openjdk.org/jdk13u-dev/pull/439