ScalaTest in sbt: is there a way to run a single test without tags?

Question

I know that a single test can be ran by running, in sbt,

testOnly *class -- -n Tag

Is there a way of telling sbt/scalatest to run a single

Answer 1

I wanted to add a concrete example to accompany the other answers

You need to specify the name of the class that you want to test, so if you have the following project (this is a Play project):

You can test just the Login tests by running the following command from the SBT console:

test:testOnly *LoginServiceSpec

If you are running the command from outside the SBT console, you would do the following:

sbt "test:testOnly *LoginServiceSpec"