Salt and pee test?!

Okay I know this is probably not true but I thought it was silly! But anyways has anyone tried it?! They say you pee in a cup and add salt and if the salt mixes with the pee after you gently stir it you are pregnant. If the salt goes back to the bottom, you aren’t pregnant. I looks like a fun game to just try will we are waiting to see if we are pregnant or not. 😊 I tried it and it went to the bottom.