Update iOS version, fixing integration tests (#1548)

* Update iOS version

Seems 10.0 is no longer available, and Sauce threw an Appium version
error so i've removed that bit.

* is it the screenshots that are slow?

* drop os version

* test: fix spelling in supportsChooseFile

* trying with appiumVersion and iPhone 8

test/endtoend/utils.js

@@ -42,7 +42,7 @@ function selectFakeFile (uppyID, name, type, b64) {
 
 function supportsChooseFile () {
   // Webdriver for Safari and Edge doesn’t support .chooseFile
-  return capabilities.browserName !== 'safari' &&
+  return capabilities.browserName !== 'Safari' &&
          capabilities.browserName !== 'MicrosoftEdge' &&
          capabilities.platformName !== 'Android'
 }

test/endtoend/wdio.remote.conf.js

@@ -20,7 +20,7 @@ exports.config = Object.assign(base.config, {
     { browserName: 'MicrosoftEdge', version: '14', platform: 'Windows 10' },
     { browserName: 'MicrosoftEdge', version: '17', platform: 'Windows 10' },
     // { browserName: 'safari', version: '11.0', platform: 'macOS 10.12' },
-    // { browserName: 'safari', version: '10.0', platformName: 'iOS', platformVersion: '10.0', deviceOrientation: 'portrait', deviceName: 'iPhone 6 Simulator', appiumVersion: '1.7.1' },
+    // { browserName: 'Safari', platformName: 'iOS', platformVersion: '12.2', deviceOrientation: 'portrait', deviceName: 'iPhone 8 Simulator' },
     { browserName: 'chrome', platformName: 'Android', platformVersion: '6.0', deviceOrientation: 'portrait', deviceName: 'Android Emulator' }
   ].map(createCapability),