Change background and foreground colors to white and black to avoid color shift problems.
------------- Commit messages: - 8266247: Swing test bug7154030.java sometimes fails on macOS 11 ARM Changes: https://git.openjdk.java.net/jdk/pull/8313/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8313&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8266247 Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jdk/pull/8313.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/8313/head:pull/8313 PR: https://git.openjdk.java.net/jdk/pull/8313
