XCUIElement tap() event can tap the wrong element when overlaid

Originator:iFreeCarve
Number:rdar://23166381 Date Originated:10/19/2015
Status:Open Resolved:
Product:Developer Tools Product Version:Xcode 7
Classification:UI/Usability Reproducible:Always
 
Summary:
If an element is obscured by another element (such as a keyboard), attempts to .tap() the element will cause XCTest to tap the topmost element instead of producing an error.

Steps to Reproduce:
1. Check out https://github.com/paypal/Illuminator/tree/be_bugz
2. `cd Example`
3. `pod install`
4. `open Illuminator.xcworkspace`
5. Select target "Illuminator-Example"
6. Cmd-U

Expected Results:
The test app shows a text field at the top of the view and a button at the bottom. Tapping the text field causes the keyboard to obscure the button.  The text "test" is entered into the test field.  Attempting to tap the obscured button should trigger an error in XCTest -- the test should fail.

Actual Results:
Trying to tap the underlying button taps the keyboard instead, which allows us to assert that the value of the text field is "testv" instead of "test".  The test passes.

Version:
OSX 10.10.5 (14F27)
Xcode Version 7.0 (7A220)


Notes:


Configuration:


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