RFR: 7903863: Feature Tests - Adding five JavaTest GUI legacy automated test scripts

[Golla Yadav]

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

1. TestTree11.java
2. TestTree12.java
3. TestTree13.java
4. TestTree14.java
5. TT_SelectionCE.java
6. TT_SelectionCE1.java

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Commit messages:
 - 7903863: Feature Tests - Adding five JavaTest GUI legacy automated test scripts

Changes: https://git.openjdk.org/jtharness/pull/87/files
  Webrev: https://webrevs.openjdk.org/?repo=jtharness&pr=87&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903863
  Stats: 538 lines in 6 files changed: 538 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jtharness/pull/87.diff
  Fetch: git fetch https://git.openjdk.org/jtharness.git pull/87/head:pull/87

PR: https://git.openjdk.org/jtharness/pull/87