functests: Check logs in lua code

It is otherwise impossible to determine which test failed sanitizer/valgrind
check. test/functional/helpers.lua module return was changed so that tests which
do not provide after_each function to get new check will automatically fail.

test/functional/ui/bufhl_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
 local execute, request, neq = helpers.execute, helpers.request, helpers.neq

test/functional/ui/highlight_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local os = require('os')
 local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert

test/functional/ui/input_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local clear, execute, nvim = helpers.clear, helpers.execute, helpers.nvim
 local feed, next_message, eq = helpers.feed, helpers.next_message, helpers.eq
 local expect = helpers.expect

test/functional/ui/mouse_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear, feed, meths = helpers.clear, helpers.feed, helpers.meths
 local insert, execute = helpers.insert, helpers.execute

test/functional/ui/screen.lua

@@ -105,7 +105,7 @@
 -- To generate a text-only test without highlight checks,
 -- use `screen:snapshot_util({},true)`
 
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(nil)
 local request, run = helpers.request, helpers.run
 local dedent = helpers.dedent
 

test/functional/ui/screen_basic_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local spawn, set_session, clear = helpers.spawn, helpers.set_session, helpers.clear
 local feed, execute = helpers.feed, helpers.execute

test/functional/ui/searchhl_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
 local execute = helpers.execute

test/functional/ui/sign_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear, feed, execute = helpers.clear, helpers.feed, helpers.execute
 

test/functional/ui/syntax_conceal_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear, feed, execute = helpers.clear, helpers.feed, helpers.execute
 local insert = helpers.insert

test/functional/ui/wildmode_spec.lua

@@ -1,4 +1,4 @@
-local helpers = require('test.functional.helpers')
+local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear, feed, execute = helpers.clear, helpers.feed, helpers.execute
 local funcs = helpers.funcs