missing test dependency

Author: hhund

dsf-fhir/dsf-fhir-validation/pom.xml

@@ -48,6 +48,12 @@
 			<artifactId>junit</artifactId>
 			<optional>true</optional>
 		</dependency>
+		
+		<dependency>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-slf4j2-impl</artifactId>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 
 	<build>