add hamcrest dependency for testing

Author: ralscha

pom.xml

@@ -137,6 +137,12 @@
 			<version>3.27.7</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.hamcrest</groupId>
+			<artifactId>hamcrest</artifactId>
+			<version>3.0</version>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-test</artifactId>