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