[jdk8u-dev] RFR: 7124218: [TEST_BUG] [macosx] Space should select cell in the JTable

[Victor Rudometov]

Backport of 2e94af3f3d7010e89852721d1fda7a226e8ffb6c 
[JDK-7124218](https://bugs.openjdk.org/browse/JDK-7124218) [TEST_BUG] [macosx] Space should select cell in the JTable

Clean backport. 
Test expectedly fails during manual run, it is fixed by upcoming backport for [JDK-8233551](https://bugs.openjdk.org/browse/JDK-8233551)

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

Commit messages:
 - 7124218: Space should select cell in the JTable

Changes: https://git.openjdk.org/jdk8u-dev/pull/160/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=160&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-7124218
  Stats: 201 lines in 1 file changed: 201 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/160.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/160/head:pull/160

PR: https://git.openjdk.org/jdk8u-dev/pull/160