Formatting and cleanup

spring-boot-samples/spring-boot-sample-data-elasticsearch/src/test/java/sample/data/elasticsearch/SampleElasticsearchApplicationTests.java

@@ -16,8 +16,6 @@
 
 package sample.data.elasticsearch;
 
-import static org.junit.Assert.*;
-
 import java.net.ConnectException;
 
 import org.junit.Rule;
@@ -25,9 +23,11 @@ import org.junit.Test;
 import org.springframework.boot.test.OutputCapture;
 import org.springframework.core.NestedCheckedException;
 
+import static org.junit.Assert.assertTrue;
+
 /**
  * Tests for {@link SampleElasticsearchApplication}.
- *
+ * 
  * @author Artur Konczak
  */
 public class SampleElasticsearchApplicationTests {