Specs2 sample which is runnable in Eclipse JUnit

PlusSpec.scala

import org.junit.runner.RunWith
import org.specs2.mutable.Specification
import org.specs2.runner.JUnitRunner

@RunWith(classOf[JUnitRunner])
class PlusSpec extends Specification {
  "plus operator" should {
    "return sum of two numbers" in {
      5 must equalTo(2 + 3)
    }
  }
}