[jdk17u-dev] RFR: 8289508: Improve test coverage for XPath Axes: ancestor, ancestor-or-self, preceding, and preceding-sibling

[Goetz Lindenmaier]

I backport this for parity with 17.0.7-oracle.

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Commit messages:
 - Backport caae53f4dadd146426a1a2cd121ac00bb98ebc97

Changes: https://git.openjdk.org/jdk17u-dev/pull/975/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=975&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289508
  Stats: 371 lines in 2 files changed: 371 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/975.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/975/head:pull/975

PR: https://git.openjdk.org/jdk17u-dev/pull/975