RFR: JDK-8315731: Open source several Swing Text related tests [v2]

[Harshitha Onkar]

> Open sourcing the following tests -
> 
> 1. javax/swing/text/CompositeView/4398059/bug4398059.java
> 2. javax/swing/text/DefaultCaret/4197894/bug4197894.java
> 3. javax/swing/text/DefaultCaret/4203175/bug4203175.java
> 4. javax/swing/text/DefaultEditorKit/4265242/bug4265242.java
> 5. javax/swing/text/DefaultStyledDocument/4472852/bug4472852.java

Harshitha Onkar has updated the pull request incrementally with two additional commits since the last revision:

 - delay changes
 - minor review change

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/15693/files
  - new: https://git.openjdk.org/jdk/pull/15693/files/d9c1b8b5..70d5320c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15693&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15693&range=00-01

  Stats: 8 lines in 2 files changed: 0 ins; 5 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/15693.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15693/head:pull/15693

PR: https://git.openjdk.org/jdk/pull/15693