hghave: adjust the definition of `tic` to allow curses tests on Windows
Might as well pick up the test coverage if it works as-is.
Differential Revision: https://phab.mercurial-scm.org/D9808
#require black test-repo$cd$RUNTESTDIR/..$black--config=black.toml--check--diff`hgfiles'set:(**.py + grep("^#!.*python")) - mercurial/thirdparty/**'`