Before: call ale#assert#SetUpLinterTest('terraform', 'tflint') After: call ale#assert#TearDownLinterTest() Execute(The default tflint command should be correct): AssertLinter 'tflint', ale#Escape('tflint') . ' -f json' Execute(Test tflint executable and command should be configurable): let g:ale_terraform_tflint_executable = 'fnord' let g:ale_terraform_tflint_options = '--whatever' AssertLinter 'fnord', ale#Escape('fnord') . ' --whatever -f json' Execute(Configuration files should be found): call ale#test#SetFilename('../test-files/tflint/foo/bar.tf') AssertLinter 'tflint', \ ale#Escape('tflint') \ . ' --config ' \ . ale#Escape(ale#path#Simplify(g:dir . '/../test-files/tflint/foo/.tflint.hcl')) \ . ' -f json'