patch 8.1.1357: test 37 is old style commit https://github.com/vim/vim/commit/999dc14644b8a9530ce0da22e90ca402c95c9c5a Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 19 21:44:08 2019 +0200 patch 8.1.1357: test 37 is old style Problem: Test 37 is old style. Solution: Turn it into a new style test. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4398)

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