hg: jdk10/sandbox/langtools: Merge

[daniel.fuchs at oracle.com]

Changeset: a40662512580
Author:    dfuchs
Date:      2017-08-17 17:28 +0100
URL:       http://hg.openjdk.java.net/jdk10/sandbox/langtools/rev/a40662512580

Merge

- test/jdk/jshell/MergedTabShiftTabCommandTest.java
- test/jdk/jshell/MergedTabShiftTabExpressionTest.java