flock(): Illegal operation argument

Getting this error as soon as I enabled monkey patching.

```
A PHP Error was encountered

Severity:    Warning
Message:     flock(): Illegal operation argument
Filename:    /Users/ashutoshchaudhary/code/office/php/asterisk/engine-obd/application/tests/_ci_phpunit_test/patcher/IncludeStream.php
Line Number: 212
```