@Test
  public void test1() {
    try {
      LevelInequalityRule.getRule(">", "emergency");
      Assert.fail("Expected IllegalArgumentException");
    } catch (IllegalArgumentException ignored) {
    }
  }
Test construction when level is unrecognized.
olv-core/src/test/java/pl/otros/logview/accept/query/org/apache/log4j/rule/LevelInequalityRuleTest.java