#3633 - Move linter tests into test/linter

test/linter/test_languagetool.vader

@@ -0,0 +1,22 @@
+Before:
+    call ale#assert#SetUpLinterTest('text', 'languagetool')
+
+After:
+    call ale#assert#TearDownLinterTest()
+
+Execute(The default command should be correct):
+  AssertLinter 'languagetool', ale#Escape('languagetool')
+  \ . ' --autoDetect %s'
+
+Execute(Should be able to set a custom executable):
+  let g:ale_languagetool_executable = 'foobar'
+
+  AssertLinter 'foobar' , ale#Escape('foobar')
+  \ . ' --autoDetect %s'
+
+Execute(Should be able to include custom languagetool options):
+  let g:ale_languagetool_options = '--language en'
+
+  " is now 'foobar' based on above global
+  AssertLinter 'foobar', ale#Escape('foobar')
+  \ . ' --language en %s'