Clarify the intention of tier 1 tests. I'll reflow the paragraph and regenerate the HTML file once the wording is agreed upon.
------------- Commit messages: - JDK-8296240: Augment discussion of test tiers in doc/testing.md Changes: https://git.openjdk.org/jdk/pull/16384/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16384&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8296240 Stats: 11 lines in 1 file changed: 9 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/16384.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16384/head:pull/16384 PR: https://git.openjdk.org/jdk/pull/16384
