Build: Fix config for iOS 11.4 & 12.0, re-enable testing in them

Closes #434

Author: sd5869

Gruntfile.js

@@ -51,8 +51,7 @@ module.exports = function( grunt ) {
 		browsers.ios = [
 			"bs_ios-5.1", "bs_ios-6.0", "bs_ios-7.0", "bs_ios-8.3", "bs_ios-9.3", "bs_ios-10.3",
 
-			// iOS 11.* & 12.0 launchers don't work so they have to be skipped for now.
-			// "bs_ios-11.4", "bs_ios-12.0",
+			 "bs_ios-11.4", "bs_ios-12.0",
 		];
 		browsers.android = [
 			"bs_android-4.0", "bs_android-4.1", "bs_android-4.2",

test/karma/karma.conf.js

@@ -4,7 +4,10 @@ var grunt = require( "grunt" );
 
 module.exports = function( config ) {
 	var isTravis = process.env.TRAVIS,
-		dateString = grunt.config( "dateString" );
+		dateString = grunt.config( "dateString" ),
+		isBrowserStack = !!( process.env.BROWSER_STACK_USERNAME &&
+			process.env.BROWSER_STACK_ACCESS_KEY ),
+		hostName = isBrowserStack? "bs-local.com" : "localhost";
 
 	config.set({
 		browserStack: {
@@ -72,6 +75,7 @@ module.exports = function( config ) {
 
 		colors: !isTravis,
 
+		hostname: hostName,
 		port: 9876,
 
 		// Possible values:
@@ -98,8 +102,7 @@ module.exports = function( config ) {
 
 		// You can't get access to secure environment variables from pull requests
 		// so we don't have browserstack from them, but travis has headless Firefox so use that
-		if ( !(process.env.BROWSER_STACK_USERNAME && process.env.BROWSER_STACK_ACCESS_KEY) &&
-			process.env.TRAVIS_PULL_REQUEST ) {
+		if ( !isBrowserStack && process.env.TRAVIS_PULL_REQUEST ) {
 			config.browsers.push( "Firefox" );
 		}
 	}

test/karma/launchers.js

@@ -257,13 +257,15 @@ module.exports = {
 		base: "BrowserStack",
 		device: "iPhone 6S",
 		os: "ios",
-		os_version: "11.4"
+		os_version: "11.4",
+		real_mobile: true
 	},
 	"bs_ios-12.0": {
 		base: "BrowserStack",
 		device: "iPhone XS",
 		os: "ios",
-		os_version: "12.0"
+		os_version: "12.0",
+		real_mobile: true
 	},
 
 	"bs_android-2.3": {