public function splitExceptionMessageTests($message, $expectedSubject, $expectedBody)
{
$debugExceptionHandler = $this->getAccessibleMock(DebugExceptionHandler::class, ['dummy']);
$expectedResult = ['subject' => $expectedSubject, 'body' => $expectedBody];
$actualResult = $debugExceptionHandler->_call('splitExceptionMessage', $message);
$this->assertSame($expectedResult, $actualResult);
}