Testsuite name: FXSceneGraphTests
Test name(s): test/scenegraph/fullscreen/TestWriteFullScreenPropertyTrue.java
Product(s) tested: JDK9b126 (64bit)
OS/architecture: Mac10.11-x64

Reproducible: Always
Reproducible on machine: Evergreen-machine
[If Sometimes] Also reproducible on machine:

Is it a Regression:No
[If Regression] Regression introduced in release/build:
Test result on the last GAed release for this train:Failed
[if Fail] Test result on FCS:

Is it a platform specific issue:Yes(the test only for mac)
[If platform specific issue] Is it a new (previously unsupported) OS/browser/mode testing:
[If new configuration testing] Issue specific to execution mode or OS/browser version:

Steps to reproduce:
1. Install Test build JDK9b126 (64bit) and set JAVA_HOME env
2. use test bundle:java-client-9-manual-new.tar.gz and extract to a folder of java-client-9-manual <WS>
3. Install ANT (version:1.9.7) and set ANT_HOME env
4. Change javafx.home path in build.properties file(under the folder <WS>)
5 Enter the testsuite "SceneGraphTests" directory(under the folder<WS>) and run command: ant run-manual
6. Run the case: test/scenegraph/fullscreen/TestWriteFullScreenPropertyTrue.java in the harness.

Instructions:
1.Enter to native full screen mode(button in top left corner)
2.Click on button "Set fullscreen true"
3.Exit from native full screen mode(button in top left corner)
4.Enter to native full screen mode again(button in top left corner)
5.Click on button "Set fullscreen true"
6.Exit from native full screen mode by press 'Esc'
7.There should be no errors.

Actual result:
“Esc” can not work for native full screen mode.When pressing "Esc",the window will not exit form native full screen mode.