Make test method public for JUnit 4

Author: artembilan

spring-rabbit/src/test/java/org/springframework/amqp/rabbit/connection/CachingConnectionFactoryTests.java

@@ -1897,7 +1897,7 @@ public void testShuffle() throws IOException, TimeoutException {
 	}
 
 	@Test
-	void testResolver() throws Exception {
+	public void testResolver() throws Exception {
 		com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(com.rabbitmq.client.ConnectionFactory.class);
 		com.rabbitmq.client.Connection mockConnection = mock(com.rabbitmq.client.Connection.class);
 		Channel mockChannel = mock(Channel.class);