Add actuator to jersey sample

Closes gh-10259

spring-boot-samples/spring-boot-sample-jersey/src/test/java/sample/jersey/SampleJerseyApplicationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,4 +58,12 @@ public class SampleJerseyApplicationTests {
 		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.BAD_REQUEST);
 	}
 
+	@Test
+	public void actuatorStatus() {
+		ResponseEntity<String> entity = this.restTemplate
+				.getForEntity("/application/status", String.class);
+		assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
+		assertThat(entity.getBody()).isEqualTo("{\"status\":\"UP\"}");
+	}
+
 }