add traceur test suite

test/fixtures/traceur/Destructuring/FunctionArrayPattern.js

@@ -0,0 +1,14 @@
+function f([a, b, ...c], d) {
+  return [a, b, c, d];
+}
+assertArrayEquals([1, 2, [3, 4], 5], f([1, 2, 3, 4], 5));
+
+function g([, a]) {
+  return a;
+}
+assert.equal(g([0, 1]), 1);
+
+function h([, [, a]]) {
+  return a;
+}
+assert.equal(h([0, [1, 2]]), 2);