Convert java/awt/im/JTextFieldTest.java applet test to main using PassFailJFrame.
------------- Commit messages: - Initial test changes Changes: https://git.openjdk.org/jdk/pull/18247/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18247&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8328005 Stats: 72 lines in 2 files changed: 15 ins; 31 del; 26 mod Patch: https://git.openjdk.org/jdk/pull/18247.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/18247/head:pull/18247 PR: https://git.openjdk.org/jdk/pull/18247