@Test
  public void testLabelExpression() throws Exception {
    setUpCloud(LABEL1 + " " + LABEL2);

    assertEquals(true, ac.canProvision(Label.parseExpression(LABEL1 + " || " + LABEL2)));
    assertEquals(true, ac.canProvision(Label.parseExpression(LABEL1 + " && " + LABEL2)));
    assertEquals(true, ac.canProvision(Label.parseExpression(LABEL1 + " || aaa")));
    assertEquals(false, ac.canProvision(Label.parseExpression(LABEL1 + " && aaa")));
    assertEquals(false, ac.canProvision(Label.parseExpression("aaa || bbb")));
    assertEquals(false, ac.canProvision(Label.parseExpression("aaa || bbb")));
  }