Test to verify that your project has no log4j dependency
Add dependency
addSbtPlugin("com.evolution" % "sbt-artifactory-plugin" % "0.0.2")
libraryDependencies += "com.evolutiongaming" %% "no-log4j-test" % "0.6.2" % Test
Add the test
class NoLog4jTest extends com.evolutiongaming.util.NoLog4jSuite