Converted java/net/spi/InetAddressResolverProvider test from testNg to JUnit.
------------- Commit messages: - JDK-8381568: Refactor java/net/spi/InetAddressResolverProvider test from testNg to use JUnit Changes: https://git.openjdk.org/jdk/pull/30552/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=30552&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8381568 Stats: 152 lines in 13 files changed: 21 ins; 16 del; 115 mod Patch: https://git.openjdk.org/jdk/pull/30552.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/30552/head:pull/30552 PR: https://git.openjdk.org/jdk/pull/30552
