gtester2xunit failed to fully convert a gtester xml file

[Jean-Baptiste Lallement]

gtester2xunit only convert the first test from a gtester xml file.

For example the gtester test report attached is the result of 'make test-report' for dconf and is converted to:
"""
<?xml version="1.0"?>
<testsuite name="paths" tests="1" time="0.000053" failures="0">
  <testcase classname="paths" name="g_test" time="0.000053"/>
</testsuite>
"""

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: gtester2xunit 0.1daily12.11.29.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.7.0-7.15-generic 3.7.0
Uname: Linux 3.7.0-7-generic x86_64
ApportVersion: 2.8-0ubuntu2
Architecture: amd64
Date: Fri Jan 18 09:50:16 2013
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gtester2xunit
UpgradeStatus: Upgraded to raring on 2012-01-31 (352 days ago)