patch 9.0.0968: GUI mouse event test is a bit flaky Commit: https://github.com/vim/vim/commit/c13e998d4a82e2c90efb4bbc1dd4ea2d6c424592 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Nov 28 21:20:48 2022 +0000 patch 9.0.0968: GUI mouse event test is a bit flaky Problem: GUI mouse event test is a bit flaky. Solution: Mark the test case as flaky. Move test function failure checks to a separate test function.

# Suppress leaks from X libraries on Ubuntu focal.
leak:libX11.so.6
leak:libXt.so.6
leak:libcairo.so.2
leak:libfontconfig.so.1
leak:libglib-2.0.so.0
# Matches leaks from libtinfo.so.5 and .6
leak:libtinfo.so
# Suppress leaks from other language libraries.
leak:libperl.so.*
leak:libpython*.so.*
leak:libruby*.so.*
leak:libxcb*.so.*