RFR: 8327261: Parsing test for Double/Float succeeds w/o testing all bad cases [v2]

[Naoto Sato]

> Fixing test cases. For bad test cases, only the first case was run, and the rest were ignored.

Naoto Sato has updated the pull request incrementally with one additional commit since the last revision:

  Reflects review comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18113/files
  - new: https://git.openjdk.org/jdk/pull/18113/files/4c80fe5c..c67ecc32

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18113&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18113&range=00-01

  Stats: 16 lines in 2 files changed: 0 ins; 2 del; 14 mod
  Patch: https://git.openjdk.org/jdk/pull/18113.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18113/head:pull/18113

PR: https://git.openjdk.org/jdk/pull/18113