update tests to use junit5, mark live test

persistence-modules/spring-data-redis/src/test/java/com/baeldung/SpringContextLiveTest.java

@@ -0,0 +1,33 @@
+package com.baeldung;
+
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.ClassMode;
+
+import com.baeldung.spring.data.redis.SpringRedisApplication;
+
+import redis.embedded.RedisServerBuilder;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = SpringRedisApplication.class)
+@DirtiesContext(classMode = ClassMode.BEFORE_CLASS)
+public class SpringContextLiveTest {
+    
+    private static redis.embedded.RedisServer redisServer;
+    
+    @BeforeAll
+    public static void startRedisServer() {
+        redisServer = new RedisServerBuilder().port(6379).setting("maxmemory 256M").build();
+        redisServer.start();
+    }
+
+    @AfterAll
+    public static void stopRedisServer() {
+        redisServer.stop();
+    }
+    @Test
+    public void whenSpringContextIsBootstrapped_thenNoExceptions() {
+    }
+}