# This verifies that the tests would normally execute concurrently if not
# for the restrictions defined later below.  However, it will only fail
# if the tests are actually executed concurrently.  The default concurrent
# restrictions limit the number of concurrent tasks to the number of processors,
# so we set it to 2.
> set concurrentRestrictions in Global := Seq(Tags.limitAll(2))
-> test

# this should prevent concurrent execution of tests
> set concurrentRestrictions in Global += Tags.limit(Tags.Test, 1)
> test
