fix(pick): review, less verbose test_files

Author: abeldekat

tests/screenshots/tests-test_files.lua---Default-explorer---does-not-crash-on-external-`vim.api.nvim_set_current_win`-002

@@ -5741,50 +5741,37 @@ T['Default explorer']['works in `:edit .`'] = function()
 end
 
 T['Default explorer']['deletes directory buffer if already visited(no alternate)'] = function()
-  -- Starting with empty buffer having id 1, open and close the explorer
+  -- Starting with empty buffer having id 1
   child.cmd('edit ' .. test_dir_path)
   close()
 
-  -- There should only be 1 buffer after closing the explorer
   local bufs = child.api.nvim_list_bufs()
   eq(#bufs, 1)
 
-  -- Assert that buffer with id 1 has been deleted, otherwise it would be for directory test_dir_path
+  -- Assert that buffer with id 1 has been deleted, otherwise it would be named to directory test_dir_path
   local is_still_one = bufs[1] == 1
   eq(is_still_one, false)
 end
 
 T['Default explorer']['deletes directory buffer if already visited'] = function()
-  -- Starting with listed buffer having id 1, open and close the explorer
+  -- Starting with listed buffer having id 1
   child.cmd('edit ' .. test_file_path)
   child.cmd('edit ' .. test_dir_path)
   close()
 
-  -- There should only be 1 buffer after closing the explorer
   local bufs = child.api.nvim_list_bufs()
   eq(#bufs, 1)
-
-  -- Assert that the buffer id is still 1
-  local bufid = bufs[1]
-  eq(bufid, 1)
+  eq(bufs[1], 1)
 end
 
 T['Default explorer']['does not crash on external `vim.api.nvim_set_current_win`'] = function()
-  -- BufEnter Autocommands for "*": Vim(append):Lua callback : Invalid buffer id: 2
-
   child.cmd('edit ' .. test_file_path)
   child.cmd('edit ' .. test_dir_path)
-
-  -- Mimic MiniPick when stopping the picker(H.picker_stop -> H.set_curwin)
   child.lua([[
     local win_id = vim.api.nvim_list_wins()[1] -- win id 1000
     vim.api.nvim_set_current_win(win_id)
   ]])
-
   child.expect_screenshot()
-  close()
-  child.expect_screenshot()
-  eq(#child.api.nvim_list_bufs(), 1)
 end
 
 T['Default explorer']['works in `:vsplit .`'] = function()