ci: more retry, larger timeout to avoid flaky

Author: phanen

lua/fzf-lua/test/helpers.lua

@@ -331,7 +331,7 @@ M.new_child_neovim = function()
   end
 
   local wait_timeout = (M.IS_LINUX() and 2000 or 5000)
-  wait_timeout = os.getenv("CI") and wait_timeout * 2 or wait_timeout
+  wait_timeout = os.getenv("CI") and wait_timeout * 3 or wait_timeout
   --- waits until condition fn evals to true, checking every interval ms
   --- times out at timeout ms
   ---@param condition fun(): boolean

tests/win_spec.lua

@@ -197,6 +197,7 @@ T["win"]["previewer"]["split flex layout resize"] = function()
       }
     },
     __after_open = function()
+      if helpers.IS_WIN() then vim.uv.sleep(250) end
       child.wait_until(function()
         return child.lua_get([[FzfLua.utils.fzf_winobj()._previewer.last_entry]]) == "foo"
       end)
@@ -386,7 +387,7 @@ T["win"]["reuse"] = new_set({
   end
 })
 
-T["win"]["highlight"] = new_set()
+T["win"]["highlight"] = new_set({ n_retry = not helpers.IS_LINUX() and 5 or nil })
 
 T["win"]["highlight"]["unchange when reuse win #2588"] = function()
   helpers.SKIP_IF_WIN() -- windows attr looks different