@allenfuture/lotide/test/middleTest.js

Support [flatten] test

const middle = require("../middle")
const assert = require("chai").assert;

describe("#middle", () => {
  it("returns [3] for [1, 2, 3, 4, 5]", () => {
    assert.deepEqual(middle([1, 2, 3, 4, 5]), [3]);
  });
  it("returns [] for [1, 2]", () => {
    assert.deepEqual(middle([1, 2]), []); 
  });
  it("should return [3, 4] for [1, 2, 3, 4, 5, 6]", () => {
    assert.deepEqual(middle([1, 2, 3, 4, 5, 6]), [3, 4]); 
  });
});