fix tests on nvim0.7 and 0.9 broken by 44ef86f.

those still need screen:attach!! :D

Author: L3MON4D3

tests/integration/add_snippets_spec.lua

@@ -10,7 +10,7 @@ describe("add_snippets", function()
 		ls_helpers.clear()
 		ls_helpers.session_setup_luasnip()
 
-		screen = Screen.new(50, 3)
+		screen = ls_helpers.new_screen(50, 3)
 		screen:set_default_attr_ids({
 			[0] = { bold = true, foreground = Screen.colors.Blue },
 			[1] = { bold = true, foreground = Screen.colors.Brown },

tests/integration/loaders_spec.lua

@@ -25,7 +25,7 @@ describe("loaders:", function()
 
 		ls_helpers.scratch_prepare()
 
-		screen = Screen.new(50, 5)
+		screen = ls_helpers.new_screen(50, 5)
 		screen:set_default_attr_ids({
 			[0] = { bold = true, foreground = Screen.colors.Blue },
 			[1] = { bold = true, foreground = Screen.colors.Brown },