@Test
public void testEncodeConjunctScope() {

  assertEquals(ImmutableList.of("scope_1 scope_2 scope_3"),
      AuthScopeExpressions.encode(
          new ConjunctAuthScopeExpression(ImmutableList.<SingleAuthScopeExpression>of(
              new SingleAuthScopeExpression("scope_1"),
              new SingleAuthScopeExpression("scope_2"),
              new SingleAuthScopeExpression("scope_3")))));
}