patch 8.1.1179: no test for mouse clicks in the fold column commit https://github.com/vim/vim/commit/696d6377289eb7c703263aaabe58134968335c4b Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 17 16:33:46 2019 +0200 patch 8.1.1179: no test for mouse clicks in the fold column Problem: No test for mouse clicks in the fold column. Solution: Add a test. (Dominique Pelle, closes https://github.com/vim/vim/issues/4261)

function Test_Comparators()
  try
    let oldisident=&isident
    set isident+=#
    call assert_equal(1, 1 is#1)
  finally
    let &isident=oldisident
  endtry
endfunction