Before: call ale#assert#SetUpFixerTest('ada', 'gnatpp') After: " Reset fixers, variables, etc. " " Vader's 'Restore' command will be called here. call ale#assert#TearDownFixerTest() Execute(The default command should be correct): call ale#test#SetFilename('../test-files/ada/testfile.adb') AssertFixer \ { \ 'command': ale#Escape(g:ale_ada_gnatpp_executable) .' %t', \ 'read_temporary_file': 1, \ } Execute(The version check should be correct): call ale#test#SetFilename('../test-files/ada/testfile.adb') let g:ale_ada_gnatpp_options = '--no-alignment' AssertFixer \ { \ 'command': ale#Escape(g:ale_ada_gnatpp_executable) \ . ' --no-alignment %t', \ 'read_temporary_file': 1, \ }