Set up Scala test for Dropwizard resources

AccountResourceTest.scala

package net.amadan.example.account

import com.yammer.dropwizard.testing.ResourceTest
import org.mockito.Mockito._
import org.mockito.Matchers._
import org.junit.Test
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers._
import com.codahale.jerkson.ScalaModule

class AccountResourceTest extends ResourceTest {
  var id = "SuperHeroNamedTony"
  var account = new Account(id)
  var accountService: AccountService = mock(classOf[AccountService])

  @Override
  def setUpResources() {
    when(accountService.findByID(anyString())).thenReturn(Option(account))
    addResource(new AccountResource(accountService))
    // add this or you'll get a 500 for message body writer not found
    addJacksonModule(new ScalaModule(Thread.currentThread().getContextClassLoader))
  }

  @Test
  def simpleResourceTest() {
    val response: Account = client().resource("/account/" + id).get(classOf[Account])
    assertThat(
      "GET request calls Tony's theme",
      response,
      is(account)
    )
    verify(accountService).findByID(account);
  }
}