Before: call ale#assert#SetUpLinterTest('cucumber', 'cucumber') After: call ale#assert#TearDownLinterTest() Execute(Should require the nearest features dir, if one is found): call ale#test#SetFilename('../test-files/cucumber/features/cuke.feature') AssertLinter 'cucumber', \ 'cucumber --dry-run --quiet --strict --format=json ' \ . '-r ' . ale#Escape(ale#path#Simplify(g:dir . '/../test-files/cucumber/features/')) . ' %t' Execute(Should require nothing if no features dir is found): call ale#test#SetFilename('something/without/a/features/dir') AssertLinter 'cucumber', \ 'cucumber --dry-run --quiet --strict --format=json %t'