public function testPrintingChildException() {
try {
$this
->assertEquals(array(
1,
), array(
2,
), 'message');
} catch (PHPUnit_Framework_ExpectationFailedException $e) {
$message = $e
->getMessage() . "\n" . $e
->getComparisonFailure()
->getDiff();
throw new ExceptionStackTestException("Child exception\n{$message}", 101, $e);
}
}