Before: call ale#assert#SetUpLinterTest('c', 'flawfinder') After: call ale#assert#TearDownLinterTest() Execute(The default flawfinder command should be correct): AssertLinter 'flawfinder', ale#Escape('flawfinder') . ' -CDQS --minlevel=1 %t' Execute(The minlevel of flawfinder should be configurable): let b:ale_c_flawfinder_minlevel = 8 AssertLinter 'flawfinder', ale#Escape('flawfinder') . ' -CDQS --minlevel=8 %t' Execute(Additional flawfinder options should be configurable): let b:ale_c_flawfinder_executable = 'foo' let b:ale_c_flawfinder_options = '--foobar' AssertLinter 'foo', ale#Escape('foo') . ' -CDQS --foobar --minlevel=1 %t'