RFR: JDK-8255055: Create two phase test for case with different names, and…

[Andy Herrick]

… fix linux DTI

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Commit messages:
 - JDK-8255055: Create two phase test for case with different names, and fix linux DTI

Changes: https://git.openjdk.java.net/jdk/pull/1229/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1229&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255055
  Stats: 37 lines in 6 files changed: 22 ins; 3 del; 12 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1229.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1229/head:pull/1229

PR: https://git.openjdk.java.net/jdk/pull/1229