RFR: 8249693: java/nio/channels/FileChannel/FileExtensionAndMap.java uses @ignore w/o bug id [v2]

[Matthew Donovan]

> Added a check that source and destination volumes have enough space to run the test.
> 
> This test will no longer be ignored.

Matthew Donovan has updated the pull request incrementally with one additional commit since the last revision:

  added requires/fixed formatting

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/11028/files
  - new: https://git.openjdk.org/jdk/pull/11028/files/be28f3e7..e7049856

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11028&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11028&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11028.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11028/head:pull/11028

PR: https://git.openjdk.org/jdk/pull/11028