public void tearDown() {
FRuleEngineIFactory.setInstance(new FRuleEngineIFactory());
}
public void testItShouldBeASingleton() {
FRuleEngineIFactory instance = FRuleEngineIFactory.getInstance();
assertNotNull("A default instance must be created", instance);
assertSame("The same instance should have be returned",
instance, FRuleEngineIFactory.getInstance());