Before: call ale#assert#SetUpLinterTest('yaml', 'ls') After: call ale#assert#TearDownLinterTest() Execute(should set correct defaults): AssertLinter 'yaml-language-server', ale#Escape('yaml-language-server') . ' --stdio' Execute(should set correct LSP values): call ale#test#SetFilename('../test-files/yaml/test.yaml') AssertLSPLanguage 'yaml' AssertLSPOptions {} AssertLSPConfig {} AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/yaml') Execute(should accept configuration settings): AssertLSPConfig {} let b:ale_yaml_ls_config = {'yaml': {'hover': v:false, 'completion': v:true}} AssertLSPConfig {'yaml': {'hover': v:false, 'completion': v:true}}