bpo-35771: IDLE: Fix flaky tool-tip hover delay tests (GH-15634)


Extending the hover delay in test_tooltip should avoid spurious test_idle failures.
One longer delay instead of two shorter delays results in a net speedup.
(cherry picked from commit 132acaba5a7f01373ca624b1a5975b190fe866f5)

Co-authored-by: Tal Einat <taleinat+github@gmail.com>
4 files changed