legacy tests: migrate test_options

src/nvim/testdir/test_options.in

@@ -1,17 +0,0 @@
-Test for ":options".
-
-STARTTEST
-:so small.vim
-:let caught = 'ok'
-:try
-  :options
-:catch 
-  :let caught = v:throwpoint . "\n" . v:exception
-:endtry
-:buf 1
-:$put =caught
-:/^result/,$w! test.out
-:qa!
-ENDTEST
-
-result

src/nvim/testdir/test_options.ok

@@ -1,2 +0,0 @@
-result
-ok

test/functional/legacy/options_spec.lua

@@ -0,0 +1,20 @@
+-- Test for ":options".
+
+local helpers = require('test.functional.helpers')
+local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
+local execute, expect = helpers.execute, helpers.expect
+
+describe('options', function()
+  setup(clear)
+
+  it('is working', function()
+    insert('result')
+
+    execute("let caught = 'ok'")
+    execute('try', 'options', 'catch', 'let caught = v:throwpoint . "\n" . v:exception', 'endtry')
+    execute('buf 1')
+    execute('$put =caught')
+
+    expect("result\nok")
+  end)
+end)