UPDATE - adding a test and some config for Jenkins

donal

2018-04-18 beb14266de6a465576c17ba665463dc878a57618

 tests/e2e/specs/test.js

@@ -6,8 +6,9 @@
    browser
      .url(process.env.VUE_DEV_SERVER_URL)
      .waitForElementVisible("#app", 5000)
      .assert.elementPresent(".hello")
      .assert.containsText("h1", "Welcome to Your Vue.js App")
      .pause(1000)
      .assert.elementPresent(".banner-image")
      .assert.containsText("h1", "Welcome 👋")
      .assert.elementCount("img", 1)
      .end();
  }