RFR: TestPullRequest::getBody always returns empty string

[Erik Duveblad via github.com]

Hi all,

this tiny patch fixes a bug with `TestPullRequest` - `getBody()` always returns the empty string.

## Testing
- [x] `sh gradlew test` passes on Linux x86_64

Thanks,
Erik

----------------

Commits:
 - 0eebb08f:	TestPullRequest::getBody always returns empty string

Pull request:
https://git.openjdk.java.net/skara/pull/97

Webrev:
https://webrevs.openjdk.java.net/skara/97/webrev.00

Patch:
https://git.openjdk.java.net/skara/pull/97.diff

Fetch command:
git fetch https://git.openjdk.java.net/skara pull/97/head:pull/97