Disable broken UI Tests and remove navigation. (#577)

Add locale to signalling service name.
Type strings character by character.
Add a default test timeout of 1 minute.

* Directly set UI Tests screens as the root screen.

Speeds up test runs by removing scrolling and searching for buttons.

* Parallelise test runs from Xcode (not fastlane).

* Disable signalling based tests.

Tools/Scripts/Templates/SimpleScreenExample/Tests/UI/TemplateScreenUITests.swift

@@ -19,8 +19,7 @@ import XCTest
 
 class TemplateScreenUITests: XCTestCase {
     func testRegularScreen() {
-        let app = Application.launch()
-        app.goToScreenWithIdentifier(.simpleRegular)
+        let app = Application.launch(.simpleRegular)
         
         let title = app.staticTexts["title"]
         XCTAssert(title.exists)
@@ -31,8 +30,7 @@ class TemplateScreenUITests: XCTestCase {
     }
     
     func testUpgradeScreen() {
-        let app = Application.launch()
-        app.goToScreenWithIdentifier(.simpleUpgrade)
+        let app = Application.launch(.simpleUpgrade)
         
         let title = app.staticTexts["title"]
         XCTAssert(title.exists)