test: fix e2e tests

Author: yyx990803

Diff for: test/e2e/specs/hash-scroll-behavior.js

@@ -48,6 +48,10 @@ module.exports = {
         return document.getElementById('anchor').getBoundingClientRect().top < 1
       }, null, 'scroll to anchor')
 
+      // scroll back to top so we can click the butotn
+      .execute(function () {
+        window.scrollTo(0, 0)
+      })
       .click('li:nth-child(5) a')
       .assert.evaluate(function () {
         return document.getElementById('anchor2').getBoundingClientRect().top < 101

Diff for: test/e2e/specs/scroll-behavior.js

@@ -31,11 +31,13 @@ module.exports = {
         history.scrollRestoration = 'manual'
       })
       .click('li:nth-child(2) a')
+      .waitForElementPresent('.view.foo', TIMEOUT)
       .assert.containsText('.view', 'foo')
       .execute(function () {
         window.scrollTo(0, 200)
         window.history.back()
       })
+      .waitForElementPresent('.view.home', TIMEOUT)
       .assert.containsText('.view', 'home')
       .assert.evaluate(function () {
         return window.pageYOffset === 100