RFR: 7903079: Feature Tests - Adding six JavaTest GUI legacy automated test scripts

[gollayadav]

Adding below automated legacy JavaTest GUI feature Test Scripts to the Jemmy regression suite and tested locally on three platforms(Linux, Windows, Mac OS) and working fine.

1. Config_Edit6
2. Config_Edit7
3. Config_Load1
4. Config_Load2
5. Config_Load3
6. Config_Load4

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Commit messages:
 - 7903079: Feature Tests - Adding six JavaTest GUI legacy automated test scripts

Changes: https://git.openjdk.java.net/jtharness/pull/20/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jtharness&pr=20&range=00
  Issue: https://bugs.openjdk.java.net/browse/CODETOOLS-7903079
  Stats: 526 lines in 7 files changed: 526 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jtharness/pull/20.diff
  Fetch: git fetch https://git.openjdk.java.net/jtharness pull/20/head:pull/20

PR: https://git.openjdk.java.net/jtharness/pull/20