RFR: JDK-8274745: ProblemList TestSnippetTag.java

[Jonathan Gibbons]

Please review a PR to problem-list `TestSnippetTag.java` while we investigating the cause for the failure

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Commit messages:
 - JDK-8274745: ProblemList TestSnippetTag.java

Changes: https://git.openjdk.java.net/jdk/pull/5810/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5810&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8274745
  Stats: 3 lines in 1 file changed: 2 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5810.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5810/head:pull/5810

PR: https://git.openjdk.java.net/jdk/pull/5810