[jdk21u-dev] RFR: 8352966: Opensource Several Font related tests - Batch 2

[Satyen Subramaniam]

Backporting JDK-8352966: Opensource Several Font related tests - Batch 2. As issue title suggests, opensources five Font related tests. Ran GHA Sanity Checks and new tests directly. Patch is clean. Backporting for parity with Oracle.

-------------

Commit messages:
 - Backport db08726884d90f9139db5d30ee4d36d88c288a06

Changes: https://git.openjdk.org/jdk21u-dev/pull/2439/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2439&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352966
  Stats: 623 lines in 5 files changed: 623 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2439.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2439/head:pull/2439

PR: https://git.openjdk.org/jdk21u-dev/pull/2439