Split test/requirements.txt into two different lists, one for py2, and the other for py3; update package versions in py3 list as needed to support py3.10.
Fix usage of deprecated threading functions getName(), setName(), isDaemon(), and currentThread().
Refactor test_invalid_breakpoints to be more declarative to handle Python version differences more easily and clearly, and fix it for py3.10.
Disable Django tests on py3.10 (#689).
Disable gevent tests on py3.10 (#688).
Fix Flask and Django multiprocess tests.
Fix test logs not being captured by pytest.
Fix "import debug_me" check improperly applied in tests where it is unnecessary.
Fix some clarifying patterns not respecting the underlying pattern.
Add pattern helpers for strings: starting_with, ending_with, containing.
Move DAP test helpers to a separate module, and add a helper for frames.
Add support for line markers when setting breakpoints and matching frames.
Assorted test fixes around handling of Unicode and paths.
