public function overrideArgumentThrowsExceptionWhenTryingToOverwriteAnNonexistingArgument()
{
$viewHelper = $this->getAccessibleMock(AbstractViewHelper::class, array('render'), array(), '', false);
$viewHelper->injectObjectManager($this->mockObjectManager);
$viewHelper->_call('overrideArgument', 'argumentName', 'string', 'description', true);
}