Let me start by giving thanks to Tarun Kumar. He has 7 videos on You Tube that are an introduction to Selenium with Java.
I don't completely understand them, but it does lead me to asking questions on the forum.
Hopefully nobody minds me asking disjointed questions.
I see the keyword Assert at the start of some lines. I'd like to know what it does. Here is an example from the tutorial. The text on the screen in the tutorial is blurry so I may be missing some syntax.
What is the assert doing here?
Assert actual languages.contains expected languages