DATAMONGO-1756 - Polishing.

Add author tag.

Original pull request: #491.

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/aggregation/TypeBasedAggregationOperationContextUnitTests.java

@@ -59,6 +59,7 @@ import com.mongodb.util.JSON;
  * @author Oliver Gierke
  * @author Thomas Darimont
  * @author Mark Paluch
+ * @author Christoph Strobl
  */
 @RunWith(MockitoJUnitRunner.class)
 public class TypeBasedAggregationOperationContextUnitTests {