test: add vterm tests [skip ci]

test/unit/vterm_spec.lua

@@ -0,0 +1,19 @@
+local t = require('test.unit.testutil')
+local itp = t.gen_itp(it)
+
+local vterm = t.cimport('./src/vterm/vterm.h')
+
+-- local function init()
+--     -- if(streq(line, "INIT")) {
+--     --   if(!vt)
+--         local vt = vterm.vterm_new(25, 80);
+--     --
+--     --   vterm_output_set_callback(vt, term_output, NULL);
+--     -- }
+-- end
+
+describe('vterm', function()
+  itp('02parser', function()
+    print('wat')
+  end)
+end)