public void testFindInvalidCircuitBreakerBean() {
String breakerName = "testFindInvalid";
// Create a map with an invalid CircuitBreaker (non-bean) in it, and jam it in.
ConcurrentHashMap<String, CircuitBreaker> invalidMap = new ConcurrentHashMap<String, CircuitBreaker>();
invalidMap.put(breakerName, new CircuitBreaker());
ReflectionTestUtils.setField(factory, "circuitBreakerMap", invalidMap);
// Try to find it.
CircuitBreakerBean foundBreaker = factory.findCircuitBreakerBean(breakerName);
assertNull(foundBreaker);