Before: call ale#assert#SetUpLinterTest('lua', 'lua_language_server') After: call ale#assert#TearDownLinterTest() Execute(The default lua-language-server settings should be correct): AssertLinter 'lua-language-server', ale#Escape('lua-language-server') AssertLSPConfig {} Execute(lua-language-server should be configurable): let b:ale_lua_language_server_executable = 'billy' let b:ale_lua_language_server_config = {'x': 'y'} AssertLinter 'billy', ale#Escape('billy') AssertLSPConfig {'x': 'y'} Execute(lua-language-server should detect the project root using .luarc.json): call ale#test#SetFilename('../lua/dummy.lua') AssertLSPProject ale#path#Simplify(g:dir . '/../lua')