add test for blessed+term.js. see chjj#168.

test/widget-term-blessed.js

@@ -0,0 +1,62 @@
+var blessed = require('../');
+
+var screen = blessed.screen({
+  dump: __dirname + '/logs/termblessed.log',
+  smartCSR: true,
+  warnings: true
+});
+
+var terminal = blessed.terminal({
+  parent: screen,
+  // cursor: 'line',
+  cursorBlink: true,
+  screenKeys: false,
+  top: 'center',
+  left: 'center',
+  width: '90%',
+  height: '90%',
+  border: 'line',
+  handler: function() {},
+  style: {
+    fg: 'default',
+    bg: 'default',
+    focus: {
+      border: {
+        fg: 'green'
+      }
+    }
+  }
+});
+
+terminal.focus();
+
+var term = terminal.term;
+
+var screen2 = blessed.screen({
+  dump: __dirname + '/logs/termblessed2.log',
+  smartCSR: true,
+  warnings: true,
+  input: term,
+  output: term
+});
+
+var box1 = blessed.box({
+  parent: screen2,
+  top: 'center',
+  left: 'center',
+  width: 20,
+  height: 10,
+  border: 'line',
+  content: 'Hello world'
+});
+
+screen.key('C-q', function() {
+  // NOTE:
+  // not necessary since screen.destroy causes terminal.term to be destroyed
+  // (screen2's input and output are no longer readable/writable)
+  // screen2.destroy();
+  return screen.destroy();
+});
+
+screen2.render();
+screen.render();