How to run single test method with phpunit?

Question

I am struggling to run a single test method named testSaveAndDrop in the file escalation/EscalationGroupTest.php with phpunit. I tried

Answer 1

So, something like this

phpunit --filter 'EscalationGroupTest::testSaveAndDrop' EscalationGroupTest escalation/EscalationGroupTest.php 

Without = and with '

https://phpunit.de/manual/3.7/en/textui.html