Move `ErrorTest.testAppContentWarning()` test case to `MacSignTest.testAppContentWarning()` and rework it to fail because of faulty app content and not invalid signing identity.
MacSignTest is supposed to be a placeholder for tests that require a signing environment but don't fit in any existing signing tests. ------------- Commit messages: - Move ErrorTest.testAppContentWarning() to signing tests Changes: https://git.openjdk.org/jdk/pull/24338/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24338&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8353321 Stats: 145 lines in 4 files changed: 107 ins; 29 del; 9 mod Patch: https://git.openjdk.org/jdk/pull/24338.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24338/head:pull/24338 PR: https://git.openjdk.org/jdk/pull/24338
