Before: call ale#assert#SetUpLinterTest('gleam', 'gleamlsp') After: call ale#assert#TearDownLinterTest() Execute(The default executable path should be correct): AssertLinter 'gleam', ale#Escape('gleam') . ' lsp' Execute(The project root should be detected correctly): AssertLSPProject '' call ale#test#SetFilename('../test-files/gleam/gleam.toml') AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/gleam')