JDK 10 RFR of JDK-8184894: Mark ExternalEditorTest.java as intermittently failing, demote to tier 2

[Amy Lu]

Kindly reminder ~

On 7/19/17 9:38 AM, Amy Lu wrote:
> jdk/jshell/ExternalEditorTest.java
>
> This test has been seen to intermittently fail (JDK-8176253, 
> JDK-8178353, JDK-8159229). It should be marked accordingly and demoted 
> from tier 1 to tier 2 until the reliability issues are resolved.
>
> Please review the patch to add intermittent key and change to tier2.
>
> bug: https://bugs.openjdk.java.net/browse/JDK-8184894
> webrev: http://cr.openjdk.java.net/~amlu/8184894/webrev.00/
>
> Thanks,
> Amy
>
> --- old/test/TEST.groups	2017-07-19 09:32:05.000000000 +0800
> +++ new/test/TEST.groups	2017-07-19 09:32:05.000000000 +0800
> @@ -27,11 +27,13 @@
>       jdk \
>       lib \
>       tools \
> +    -jdk/jshell/ExternalEditorTest.java \
>       -jdk/jshell/ToolReloadTest.java \
>       -jdk/jshell/ToolLocaleMessageTest.java
>   
>   # (Almost) no langtools tests are tier 2.
>   tier2 = \
> +    jdk/jshell/ExternalEditorTest.java \
>       jdk/jshell/ToolReloadTest.java \
>       jdk/jshell/ToolLocaleMessageTest.java
>   
> --- old/test/jdk/jshell/ExternalEditorTest.java	2017-07-19 09:32:05.000000000 +0800
> +++ new/test/jdk/jshell/ExternalEditorTest.java	2017-07-19 09:32:05.000000000 +0800
> @@ -28,6 +28,7 @@
>    * @modules jdk.jshell/jdk.internal.jshell.tool
>    * @build ReplToolTesting CustomEditor EditorTestBase
>    * @run testng ExternalEditorTest
> + * @key intermittent
>    */
>   
>   import java.io.BufferedWriter;