#3633 - Move linter tests into test/linter

test/linter/test_luacheck.vader

@@ -0,0 +1,23 @@
+Before:
+  call ale#assert#SetUpLinterTest('lua', 'luacheck')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(The lua luacheck command callback should return the correct default string):
+  AssertLinter 'luacheck',
+  \ ale#Escape('luacheck') . ' --formatter plain --codes --filename %s -'
+
+Execute(The lua luacheck command callback should let you set options):
+  let g:ale_lua_luacheck_options = '--config filename'
+
+  AssertLinter 'luacheck',
+  \ ale#Escape('luacheck')
+  \   . ' --config filename'
+  \   . ' --formatter plain --codes --filename %s -'
+
+Execute(The luacheck executable should be configurable):
+  let g:ale_lua_luacheck_executable = 'luacheck.sh'
+
+  AssertLinter 'luacheck.sh',
+  \ ale#Escape('luacheck.sh') . ' --formatter plain --codes --filename %s -'