[jdk8u-dev] RFR: 8326110: [8u] The Marlin tests should be updated after JDK-8241307

[Sergey Bylokhov]

The tests are updated to force the MarlinRenderingEngine.

@bourgesl please take a look.

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Commit messages:
 - 8326110: [8u] The Marlin tests should be updated after JDK-8241307

Changes: https://git.openjdk.org/jdk8u-dev/pull/447/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=447&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326110
  Stats: 7 lines in 6 files changed: 0 ins; 0 del; 7 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/447.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/447/head:pull/447

PR: https://git.openjdk.org/jdk8u-dev/pull/447