Fix running pipe and updated tests with mockserver

Change-Id: I9e2ad0a9e20db874765e3db957ff356fbe35ff93
diff --git a/core/pom.xml b/core/pom.xml
index 59a689b..a14de06 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -1,5 +1,5 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.ids_mannheim.korap</groupId>
 	<artifactId>Kustvakt-core</artifactId>
@@ -63,19 +63,18 @@
 
 			<!-- build tests jar, so extensions can use fastjerseytest class to build 
 				rest tests -->
-			<!-- <plugin>
+			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-jar-plugin</artifactId>
-				<version>3.0.2</version>
+				<version>3.2.0</version>
 				<executions>
 					<execution>
-						<phase>package</phase>
 						<goals>
 							<goal>test-jar</goal>
 						</goals>
 					</execution>
 				</executions>
-			</plugin> -->
+			</plugin>
 			
 			<!-- Generate source jar -->
 			<plugin>
@@ -252,6 +251,10 @@
 			<version>[0.37,)</version>
 			<exclusions>
 				<exclusion>
+					<groupId>org.sonatype.sisu</groupId>
+					<artifactId>sisu-guava</artifactId>
+				</exclusion>
+				<exclusion>
 					<groupId>org.eclipse.jetty</groupId>
 					<artifactId>jetty-servlet</artifactId>
 				</exclusion>
@@ -494,7 +497,6 @@
 			<version>0.1.0</version>
 		</dependency>
 		
-		
 		<dependency>
 			<groupId>javax.servlet</groupId>
 			<artifactId>javax.servlet-api</artifactId>