RFR: JDK-8280157: wrong texts Falied in a couple of tests

[Matthias Baesken]

Very small change fixing wrong strings "Falied" in a couple of tests.

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Commit messages:
 - JDK-8280157

Changes: https://git.openjdk.java.net/jdk/pull/7142/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7142&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280157
  Stats: 9 lines in 5 files changed: 0 ins; 0 del; 9 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7142.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7142/head:pull/7142

PR: https://git.openjdk.java.net/jdk/pull/7142